YBJ 239-1992
Metallurgical electrical equipment installation quality inspection and evaluation standards (English Version)

Standard No.

YBJ 239-1992

Language

Chinese, Available in English version

Published By

Professional Standard - Ferrous Metallurgy

Latest

YBJ 239-1992

YBJ 239-1992 history

• 1970 YBJ 239-1992 Metallurgical electrical equipment installation quality inspection and evaluation standards