YB 4069-1991
GH4133B alloy disc forgings (English Version)
- Standard No.
- YB 4069-1991
- Language
- Chinese, Available in English version
- Published By
- UNKNOWN
- Latest
- YB 4069-1991
YB 4069-1991 history
- 1970 YB 4069-1991 GH4133B alloy disc forgings
