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summary
Acoustics; hearing protectors; subjective method for the measurement of sound attenuation; identical with ISO 4869-1:1990. (Akustik; Gehörschützer; Subjektive Methode zur Messung der Schalldämmung.)
Details
Publisher
DIN
File size
2.25 MB
Pages
8
Format
PDF
Publication date
1991-10-01