GOST R 12 4 273-2012 Occupational safety standards system Respiratory protective devices Self-contained open-circuit compressed air supply apparatus completed with face mask or moul re.pdf

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1、 12.4.273null2012 . , () . . EN 402:2003(NEQ) 12.4.2732012 II1 ( )2 320 3 - 29 2012 . 1835-4 402:2003 . - . , , (EN 402:2003 Respiratory protective devices Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape Requir

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5、k or mouthpiece (escape breathing apparatus). Technical requirements. Test methods. Marking 12.4.27320122 12.4.18999 . . . 12.4.2522009 ( 138:1994) . - . , . . . - 12.4.2782012 . - . , , - . . . 15.2012000 . - . - 516522000 . 532572009 . . . - , 1 , - . , , . , - , (). , , , , , . , , , , .3 :3.1 -

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