EQUIPOS DE PROTECCION RESPIRATORIA. ROSCAS PARA PIEZAS FACIALES. CONEXION POR ROSCA CENTRAL
RESPITATORY PROTECTIVE DEVICES. THREADS FOR FACEPIECES. CENTRE THREAD CONNECTION
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13.340.30 / Respiratory protective devices
21.040.30 / Special screw threads
CTN 81 - Occupational health and safety
It is cancelled by: UNE-EN 148-2:1999
This standard is available in:
Print and digital format
Spanish
