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Specification for a reference zero for the calibration of pure-tone audiometers. Normal threshold of hearing for pure tones by bone conduction
出版:British Standards Institution

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基本信息
標(biāo)準(zhǔn)編號: BS 2497-4:1972
發(fā)布時間:1972/7/25 0:00:00
標(biāo)準(zhǔn)類別:Standard
出版單位:British Standards Institution
標(biāo)準(zhǔn)頁數(shù):0
標(biāo)準(zhǔn)簡介
Specifies value of acceleration corresponding to the audiometric zero for bone conduction listening to pure tones.
標(biāo)準(zhǔn)備注
? British Standards Institution 2013
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