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  4. Standard "BS 6111:1981"
WITHDRAWN BS 6111:1981 30.6.1981 preview

BS 6111:1981

Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts.



STANDARD published on 30.6.1981


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Price106.70 USD excl. VAT
106.70 USD

The information about the standard:

Designation standards: BS 6111:1981
Note: WITHDRAWN
Publication date standards: 30.6.1981
SKU: NS-73371
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Category: Technical standards BS

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