QJ 1954-1990
electromagnetic radiation from the sun (English Version)
- Standard No.
- QJ 1954-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 1954-1990
QJ 1954-1990 history
- 1990 QJ 1954-1990 electromagnetic radiation from the sun
