YB 4039-1991
holmium oxide (English Version)

Standard No.

YB 4039-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Ferrous Metallurgy

Latest

YB 4039-1991

YB 4039-1991 history

• 1991 YB 4039-1991 holmium oxide