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in stockReleased: 1982-10-15
UNE 20644:1982
IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
Acoplador provisional de referencia para la calibración de auriculares utilizados en audiometría.
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Spanish PDF
Immediate download
29.70 EUR
Spanish Hardcopy
In stock
29.70 EUR
Standard number: | UNE 20644:1982 |
Pages: | 6 |
Released: | 1982-10-15 |
Status: | Standard |
DESCRIPTION
This standard UNE 20644:1982 IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY is classified in these ICS categories:
- 13.140
- 17.140.50