HB 1503-1987
Simplified square baseplate (English Version)
- Standard No.
- HB 1503-1987
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Latest
- HB 1503-1987
- Replace
- HB 1503-1975
HB 1503-1987 history
- 1970 HB 1503-1987 Simplified square baseplate
- 0000 HB 1503-1975
