GB/T 7582-1987

Abolished

Acoustics--Threshold of hearing by air conduction as a function of age and sex for otologically normal persons

声学 耳科正常人的气导听阈与年龄和性别的关系

Standard Type
GBT
ICS
N/A
CCS
A42
Status
废止
Issue Date
1987-03-27
Implementation
1987-11-01
Responsible Dept
N/A
Drafting Unit
N/A