HB 1873-1971
Rotating platen with screw holes (English Version)
- Standard No.
- HB 1873-1971
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Latest
- HB 1873-1971
HB 1873-1971 history
- 1970 HB 1873-1971 Rotating platen with screw holes
