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International Standard Category: Noise emitted by machines and equipment

GB 9661-1988    Measurement of aircraft noise around airport
机场周围飞机噪声测量方法 ;
Category No.:17.140.20 Valid Status:valid
Issued Organization:国家环境保护局 Issued Date:1988-08-11
Implemented Date:1988-11-1 Abolished Date:
Superseded Standard.: Superseded Date:
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