QJ 1820-1989
Harmonic gear reducer test method (English Version)
- Standard No.
- QJ 1820-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 1820-1989
QJ 1820-1989 history
- 1989 QJ 1820-1989 Harmonic gear reducer test method
