JC 497-1991
Direct bonded magnesia chromium bricks for building materials industrial kilns (English Version)

Standard No.

JC 497-1991

Language

Chinese, Available in English version

Release Date

1992

Published By

国家建筑材料工业局

Latest

JC 497-1991

JC 497-1991 history

• 1992 JC 497-1991 Direct bonded magnesia chromium bricks for building materials industrial kilns