GB/T 7341.4-1998

Audiometers--Part 4:Equipment for extended high-frequency audiometry

NORMA vydaná dňa 8.5.1998

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The information about the standard:

Designation standards: GB/T 7341.4-1998
Publication date standards: 8.5.1998
Country: Chinese technical standard
Kategória: Technické normy GB