EN 139:1994 Respiratory Protective Devices - Compressed Air Line Breathing Apparatus for Use with a Full Face Mask@ Half Mask or a Mouthpiece Assembly - Requirements@ Testing@ Marking
1994EN 139:1994 Respiratory Protective Devices - Compressed Air Line Breathing Apparatus for Use with a Full Face Mask@ Half Mask or a Mouthpiece Assembly - Requirements@ Testing@ Marking