HB 2029-1989
column stand (English Version)
- Standard No.
- HB 2029-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Aviation
- Latest
- HB 2029-1989
HB 2029-1989 history
- 1989 HB 2029-1989 column stand
- 1970 HB 2029-1974 column stand
