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Chinese National Standard Category: Acoustic instrument and seismograph

English Title: Frequency weighting for the measurement of aircraft noise (D-weighting)
Chinese Title: 飞机噪声测量用频率计权(D-计权)
Standard No.: GB/T 6446-1986
Category No.: N65
Issued by: National Bureau of Standards
Issued on: 1986-05-28
Implemented on: 1987-5-1
Status: abolished
Superseded by:
Superseded on:
Abolished on:2005-10-14
Superseding:
Word Count:1500 words
Similar Standards: GB/T 32706-2016   GB/T 4130-2000   GB/T 13823.14-1995   GB/T 13823.13-1995   GB/T 13823.12-1995   JB/T 6826-1993   JB/T 6824-1993   JB/T 6822-1993   JB/T 5458-1991   JB/T 5747-1991   JB/T 5516-1991   GB/T 6446-1986   GB 4128-1984   GB 3785-1983  
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