YB 4032-1991
kyanite sillimanite andalusite (English Version)
- Standard No.
- YB 4032-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Ferrous Metallurgy
- Latest
- YB 4032-1991
YB 4032-1991 history
- 1991 YB 4032-1991 kyanite sillimanite andalusite
