ISO 20318-1:2019

Current Revision
Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 1: Mechanical pencils

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ISO 20318-1:2019

Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 1: Mechanical pencils

PUBLISH DATE 2019
ISO 20318-1:2019

This document specifies classification, dimensions, quality and test methods for hand-held mechanical pencils which hold and feed out a lead, and are used for general writing.

It is also applicable to multi-function pens equipped with a mechanical pencil unit.

However, those pencils attached to machinery instruments such as a plotter are excluded.

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