QJ 1890-1990
Printed circuit board external connection method and design specification (English Version)
- Standard No.
- QJ 1890-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- Professional Standard - Aerospace
- Latest
- QJ 1890-1990
QJ 1890-1990 history
- 1990 QJ 1890-1990 Printed circuit board external connection method and design specification
