JB 2750-1991
High purity graphite (English Version)

Standard No.

JB 2750-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

机械电子工业部

Latest

JB 2750-1991

JB 2750-1991 history

• 1991 JB 2750-1991 High purity graphite