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ISO 21921:2025 PDF Preview
ISO 21921:2025

Oxidized starch in food applications - Specifications and test methods

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ISO 21922:2021
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking
ISO 21922:2021

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking

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ISO 21924-1:2017
Protective equipment for martial arts - Part 1: General requirements and test methods
ISO 21924-1:2017

Protective equipment for martial arts - Part 1: General requirements and test methods

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ISO 21924-2:2017
Protective equipment for martial arts - Part 2: Additional requirements and test methods for instep protectors, shin protectors and forearm protectors
ISO 21924-2:2017

Protective equipment for martial arts - Part 2: Additional requirements and test methods for instep protectors, shin protectors and forearm protectors

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ISO 21924-3:2017
Protective equipment for martial arts - Part 3: Additional requirements and test methods for trunk protectors
ISO 21924-3:2017

Protective equipment for martial arts - Part 3: Additional requirements and test methods for trunk protectors

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ISO 21924-4:2017
Protective equipment for martial arts - Part 4: Additional requirements and test methods for head protectors
ISO 21924-4:2017

Protective equipment for martial arts - Part 4: Additional requirements and test methods for head protectors

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ISO 21924-5:2017
Protective equipment for martial arts - Part 5: Additional requirements and test methods for genital protectors and abdominal protectors
ISO 21924-5:2017

Protective equipment for martial arts - Part 5: Additional requirements and test methods for genital protectors and abdominal protectors

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ISO 21924-6:2017
Protective equipment for martial arts - Part 6: Additional requirements and test methods for breast protectors for females
ISO 21924-6:2017

Protective equipment for martial arts - Part 6: Additional requirements and test methods for breast protectors for females

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ISO 21924-7:2017
Protective equipment for martial arts - Part 7: Additional requirements and test methods for hand and foot protectors
ISO 21924-7:2017

Protective equipment for martial arts - Part 7: Additional requirements and test methods for hand and foot protectors

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ISO 21924-9:2020
Martial arts - Protective equipment for martial arts - Part 9: Additional requirements and test methods for Wushu Sanda head protectors
ISO 21924-9:2020

Martial arts - Protective equipment for martial arts - Part 9: Additional requirements and test methods for Wushu Sanda head protectors

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ISO 21925-1:2018
Fire resistance tests - Fire dampers for air distribution systems - Part 1: Mechanical dampers
ISO 21925-1:2018

Fire resistance tests - Fire dampers for air distribution systems - Part 1: Mechanical dampers

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ISO 21925-2:2021
Fire resistance tests - Fire dampers for air distribution systems - Part 2: Intumescent dampers
ISO 21925-2:2021

Fire resistance tests - Fire dampers for air distribution systems - Part 2: Intumescent dampers

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ISO 21926:2026
Semantic data model for audit data services
ISO 21926:2026

Semantic data model for audit data services

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ISO 21927-1:2008
Smoke and heat control systems - Part 1: Specification for smoke barriers
ISO 21927-1:2008

Smoke and heat control systems - Part 1: Specification for smoke barriers

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ISO 21927-2:2018
Smoke and heat control systems - Part 2: Specifications for natural smoke and heat exhaust ventilators
ISO 21927-2:2018

Smoke and heat control systems - Part 2: Specifications for natural smoke and heat exhaust ventilators

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ISO 21927-3:2021
Smoke and heat control systems - Part 3: Specifications for powered smoke and heat exhaust ventilators
ISO 21927-3:2021

Smoke and heat control systems - Part 3: Specifications for powered smoke and heat exhaust ventilators

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ISO 21927-4:2019
Smoke and heat control systems - Part 4: Natural smoke and heat exhaust ventilators - Design, requirements and installation
ISO 21927-4:2019

Smoke and heat control systems - Part 4: Natural smoke and heat exhaust ventilators - Design, requirements and installation

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ISO 21927-5:2018
Smoke and heat control systems - Part 5: Powered smoke exhaust systems - Requirements and design
ISO 21927-5:2018

Smoke and heat control systems - Part 5: Powered smoke exhaust systems - Requirements and design

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ISO 21927-6:2026
Smoke and heat control systems - Part 6: Specification for pressure differential systems
ISO 21927-6:2026

Smoke and heat control systems - Part 6: Specification for pressure differential systems

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ISO 21927-7:2017
Smoke and heat control systems - Part 7: Smoke ducts sections
ISO 21927-7:2017

Smoke and heat control systems - Part 7: Smoke ducts sections

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ISO 21927-8:2017
Smoke and heat control systems - Part 8: Smoke control dampers
ISO 21927-8:2017

Smoke and heat control systems - Part 8: Smoke control dampers

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ISO 21927-9:2012
Smoke and heat control systems - Part 9: Specification for control equipment
ISO 21927-9:2012

Smoke and heat control systems - Part 9: Specification for control equipment

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ISO 21928-2:2023
Sustainability in buildings and civil engineering works - Sustainability indicators - Part 2: Framework for the development of indicators for civil engineering works
ISO 21928-2:2023

Sustainability in buildings and civil engineering works - Sustainability indicators - Part 2: Framework for the development of indicators for civil engineering works

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ISO 21929-1:2011
Sustainability in building construction - Sustainability indicators - Part 1: Framework for the development of indicators and a core set of indicators for buildings
ISO 21929-1:2011

Sustainability in building construction - Sustainability indicators - Part 1: Framework for the development of indicators and a core set of indicators for buildings

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ISO 21931-1:2022
Sustainability in buildings and civil engineering works - Framework for methods of assessment of the environmental, social and economic performance of construction works as a basis for sustainability assessment - Part 1: Buildings
ISO 21931-1:2022

Sustainability in buildings and civil engineering works - Framework for methods of assessment of the environmental, social and economic performance of construction works as a basis for sustainability assessment - Part 1: Buildings

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