GB/T 7342-1987

Abolished

IEC provisional reference coupler for the calibration of earphones used in audiometry

测听耳机校准用IEC临时参考耦合腔

Standard Type
GBT
ICS
N/A
CCS
A59
Status
废止
Issue Date
1987-02-28
Implementation
1987-11-01
Responsible Dept
工业和信息化部（电子）
Drafting Unit
N/A