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UNE 20644:1982

IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY

STANDARD published on 15.10.1982

Spanish -
electronic design (pdf) (35.80 USD)
Spanish -
Print design (39.30 USD)

The information about the standard:

Designation standards: UNE 20644:1982
Publication date standards: 15.10.1982
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Spanish technical standard
Category: Technical standards UNE