JB 5851-1991
Test procedures and test methods for underfrequency relays and devices (English Version)

Standard No.

JB 5851-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

机械电子工业部

Latest

JB 5851-1991

JB 5851-1991 history

• 1991 JB 5851-1991 Test procedures and test methods for underfrequency relays and devices