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Standard [CURRENT]

NF S30-007-4:1999-08-01

NF EN ISO 389-4:1999-08-01

Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: reference levels for narrow-band masking noise

German title
AKUSTIK. STANDARD-BEZUGSPEGEL FUER DIE KALIBRIERUNG AUDIOMETRISCHER GERAETE. TEIL 4: BEZUGSPEGEL FUER SCHMALBANDIGE VERDECKUNGSGERAEUSCHE. (EUROPAEISCHE NORM EN ISO 389-4)
Publication date
1999-08-01
Original language
French
Pages
11

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Publication date
1999-08-01
Original language
French
Pages
11

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