HB 791-1973
Double-headed length gauge L>3-260mm for precision grades 6-9 (English Version)
- Standard No.
- HB 791-1973
- Language
- Chinese, Available in English version
- Release Date
- 1974
- Published By
- Professional Standard - Aviation
- Status
- Latest
- HB 791-1973
HB 791-1973 history
- 1974 HB 791-1973 Double-headed length gauge L>3-260mm for precision grades 6-9
