GB/T 4854.3-1998

Acoustics--Reference zero for the calibration of audiometric equipment--Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators

NORMA vydaná dňa 18.3.1998

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The information about the standard:

Designation standards: GB/T 4854.3-1998
Note: NEPLATNÁ
Publication date standards: 18.3.1998
Country: Chinese technical standard
Kategória: Technické normy GB