Home / Standards / GB/T 16402-1996 GB/T 16402-1996 Active Acoustics--Reference equivalent threshold sound pressure levels for pure tones and insert earphones 声学 插入式耳机纯音基准等效阈声压级 Standard Type GBT ICS 17.140.01 CCS A59 Status 现行 Issue Date 1996-05-27 Implementation 1996-12-01 Responsible Dept 中国科学院 Drafting Unit N/A