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BSI BS ISO 9921-1:1996

Ergonomic assessment of speech communication -- Speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method)
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BSI BS ISO 9921-1:1996

Ergonomic assessment of speech communication -- Speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method)

PUBLISH DATE 1997
BSI BS ISO 9921-1:1996
WITHDRAWN, 10/28/2005
SDO BSI: British Standards Institution
Document Number ISO 9921-1
Publication Date March 15, 1997
Language en - English
Page Count
Revision Level
Supercedes
Committee PH/9
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