GB/T 4980-1985Determination of sound power level for noise emitted by displacement compressors--Engineering method (English PDF)

GB/T 4980-1985 is the English-translated version of 容积式压缩机噪声声功率级的测定 工程法.

GB/T 4980-1985 is the Chinese national standard "Determination of sound power level for noise emitted by displacement compressors--Engineering method". It was issued by NBS. It is obsolete: it has been replaced by GB/T 4980-2003.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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