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BS 4009:1975

Specification for an artificial mastoid for the calibration of bone vibrators used in hearing aids and audiometers.

STANDARD published on 31.7.1975

English -
Print design (297.20 USD)

The information about the standard:

Designation standards: BS 4009:1975
Note: WITHDRAWN
Publication date standards: 31.7.1975
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS