BS 4009:1991

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

NORMA vydána dne 28.2.1991

Anglicky -
Elektronické PDF (3872.80 CZK)

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
Kategorie: Technické normy BS