BS 4009:1991

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

NORMA vydaná dňa 28.2.1991

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Elektronické PDF (157.80 EUR)

The information about the standard:

Designation standards: BS 4009:1991
Note: NEPLATNÁ
Publication date standards: 28.2.1991
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategória: Technické normy BS