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BS 3171:1959

Characteristics & method of test of air conduction hearing aids using electronic amplification.

STANDARD published on 23.11.1959

English -
Print design (303.80 USD)

The information about the standard:

Designation standards: BS 3171:1959
Note: WITHDRAWN
Publication date standards: 23.11.1959
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS