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SNV DIN ISO 4869-1:1991現(xiàn)行
Acoustics; Hearing Protectors; Subjective Method For The Measurement Of Sound Attenuation
出版：Swiss Standards
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基本信息
標(biāo)準(zhǔn)編號(hào)： SNV DIN ISO 4869-1:1991
發(fā)布時(shí)間：1991/10/1 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：Swiss Standards
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
Specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing. The method is designed to yield values close to the maximum attainable sound attenuation.
等同采用的國際標(biāo)準(zhǔn)
ISO 4869-1:1990 - Identical
DIN ISO 4869-1 (1991-10) - Identical
DIN ISO 4869-1 : 1991 - Identical
DIN ISO 4869-1 : 1991 - Identical
