JB 1736-1991
Swing check valve disc seal ring (English Version)

Standard No.

JB 1736-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

机械电子工业部

Latest

JB 1736-1991

JB 1736-1991 history

• 1991 JB 1736-1991 Swing check valve disc seal ring