JB 7122-1993
Basic requirements for AC vacuum contactor (English Version)

Standard No.

JB 7122-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

机械工业部

Latest

JB 7122-1993

JB 7122-1993 history

• 1993 JB 7122-1993 Basic requirements for AC vacuum contactor