AENOR - UNE 20644
IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
active, Most Current
| Organization: | AENOR |
| Publication Date: | 15 October 1982 |
| Status: | active |
| Page Count: | 6 |
| ICS Code (Electroacoustics): | 17.140.50 |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
UNE 20644
October 15, 1982
IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
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