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  4. Standard "BS ISO 9921-1:1996"
WITHDRAWN BS ISO 9921-1:1996 15.3.1997 preview

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).



STANDARD published on 15.3.1997


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203.50 USD

The information about the standard:

Designation standards: BS ISO 9921-1:1996
Note: WITHDRAWN
Publication date standards: 15.3.1997
SKU: NS-115623
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Category: Technical standards BS

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