NS 1731-1974
Screw-down stop valves, copper alloy - Flanged ends - Angle pattern

Standard No.

NS 1731-1974

Release Date

1974

Published By

NO-SN

Latest

NS 1731-1974

NS 1731-1974 history

• 1974 NS 1731-1974 Screw-down stop valves, copper alloy - Flanged ends - Angle pattern