BS 2497-3:1972

Specification for a reference zero for the calibration of pure-tone audiometers. Data for a wide-band artificial ear complying with BS 4669.

NORMA vydána dne 28.6.1972

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The information about the standard:

Designation standards: BS 2497-3:1972
Note: NEPLATNÁ
Publication date standards: 28.6.1972
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Kategorie: Technické normy BS