ONORM EN 144-1-1992
Respiratory protective devices - Gas cylinder valves - Thread connection for insert connector

Standard No.

ONORM EN 144-1-1992

Release Date

1992

Published By

AT-ON

Latest

ONORM EN 144-1-1992

ONORM EN 144-1-1992 history

• 1992 ONORM EN 144-1-1992 Respiratory protective devices - Gas cylinder valves - Thread connection for insert connector