QJ 1421.5-1988
Safety inspection rules Welding safety inspection rules (English Version)
- Standard No.
- QJ 1421.5-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- Professional Standard - Aerospace
- Status
- Replace By
- QJ 1421-2006
- Latest
- QJ 1421-2006
QJ 1421.5-1988 history
- 1970 QJ 1421-2006 Aerospace General Safety Inspection Rules
- 1988 QJ 1421.5-1988 Safety inspection rules Welding safety inspection rules
QJ 1421.5-1988 Safety inspection rules Welding safety inspection rules was changed to QJ 1421-2006 Aerospace General Safety Inspection Rules.
