
Respiratory Protective Devices; Particle Filters; Requirements, Testing, Marking
出版:Swiss Standards

專家解讀視頻
This standard describes the particle filters for use as components in unassisted respiratory protective devices, except escape apparatus and filtering facepiece.
DIN EN 143 (2007-02) - Identical
NFS 76 022 : 1983 - Identical
DIN EN 143 : 2007 - Identical
NFS 76 022:1983 - Identical