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  4. Standard "GB/T 4854.7-1999"
WITHDRAWN GB/T 4854.7-1999 8.3.1999 preview

GB/T 4854.7-1999

Acoustics—Reference zero for the calibration of audiometric equipment—Part 7:Reference threshold of hearing under free-field and diffuse-field listening conditions

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STANDARD published on 8.3.1999


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Price698.80 USD excl. VAT
698.80 USD

The information about the standard:

Designation standards: GB/T 4854.7-1999
Note: WITHDRAWN
Publication date standards: 8.3.1999
SKU: NS-885188
Country: Chinese technical standard
Category: Technical standards GB

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