BS 4771(1971) : 1971被替代
SPECIFICATION FOR POSITIVE PRESSURE POWERED DUST HOODS AND BLOUSES
出版：British Standards Institution
专家解读视频
Describes requirements for hoods and blouses supplied with filtered air, providing protection in adverse environmental conditions (particulate hazards) whilst reducing respiratory load. Includes sections on construction, design, power pack, filters, harness and connecting fittings.
NFC 61 350 : 94 A2 97 - Identical
VDE 0625-1 : 2016 - Identical
NFC 61 350 : 94 A2 97 - Identical
EN 60320-1 : 2015 COR 2016 - Identical
