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  3. Technical standards GB
  4. Standard "GB/T 4963-1985"
WITHDRAWN GB/T 4963-1985 28.2.1985 preview

GB/T 4963-1985

Normal equal-loudness contours for pure tones under free field listening conditions

Translate name

STANDARD published on 28.2.1985


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Price448.80 USD excl. VAT
448.80 USD

The information about the standard:

Designation standards: GB/T 4963-1985
Note: WITHDRAWN
Publication date standards: 28.2.1985
SKU: NS-885387
Country: Chinese technical standard
Category: Technical standards GB

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