BS-EN-148-3 › Respiratory protective devices: threads for facepieces. Thread connection M 45 x 3
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Included in this current edition are the following subparts:
1999 EDITION - Jan. 1, 1999
Breathing apparatus, Respirators, Safety devices, Masks (protective clothing), Threads, Threaded components, Dimensions, Designations, Internal threads, Gaskets
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BS EN 148-3:1999
July 15, 1999
BS EN 148-3:1992