Home / Standards / GB/T 7582-2004 GB/T 7582-2004 Abolished Acoustics--Statistical distribution of hearing thresholds as a function of age 声学 听阈与年龄关系的统计分布 Standard Type GBT ICS 13.140 CCS Z32 Status 废止 Issue Date 2004-05-13 Implementation 2004-12-01 Responsible Dept 中国科学院 Drafting Unit 中国科学院