NBN-EN 148-2-1989
Repiratory protective devices-Threadsforfacepieces - Centre thread connection

Standard No.

NBN-EN 148-2-1989

Release Date

1989

Published By

BE-NBN

Latest

NBN-EN 148-2-1989

Scope

This European Standard applies to central threads of respiratory protection devices. It does not apply to diving devices or positive pressure demand type is lating devices.

NBN-EN 148-2-1989 history

• 1989 NBN-EN 148-2-1989 Repiratory protective devices-Threadsforfacepieces - Centre thread connection