DIN-45657 › Complete Document History
Sound level meters - Additional requirements for special measuring tasks
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2014 EDITION - GERMAN LANGUAGE ONLY - July 1, 2014
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Obsolete Revision Information: |
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2005 EDITION - ENGLISH VERSION OF DIN-45657 - March 1, 2005
1997 EDITION - ENGLISH VERSION OF DIN-45657 - July 1, 1997 1992 EDITION - GERMAN LANGUAGE ONLY - Jan. 1, 1992 |