SS-EN-148-1 › Complete Document History
Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection
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2019 EDITION - Part 1: Standard thread connection - Jan. 3, 2019
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Obsolete Revision Information: |
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EDITION 2 - ENGLISH LANGUAGE EDITION - March 12, 1999
EDITION 1 - ENGLISH LANGUAGE EDITION - June 6, 1990 |