Acoustics; pure tone air conduction threshold audiometry for hearing conservation purposes (identical with ISO 6189:1983); german version EN 26189:1991
German title
Akustik; Reinton-Luftleitungs-Schwellenaudiometrie für die Gehörvorsorge (Identisch mit ISO 6189:1983); Deutsche Fassung EN 26189:1991
Publication date
1992-03
Original language
German
Pages
11
Publication date
1992-03
Original language
German
Pages
11
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