UNE 74020:1991
Superseded Standard
Historical

UNE 74020:1991

ACOUSTICS. STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE TONE AIR CONDUCTION AUDIOMETERS.
No description.

Technical characteristics

Publisher Asociacion Espanola de Normalizacion y Certificacion (AENOR)
Publication Date 09/09/1991
Cancellation Date 05/21/1996
Page Count 14
EAN ---
ISBN ---
Weight (in grams) ---

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