- Standard No.
- QJ 1142A-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- Professional Standard - Aerospace
- Replace
-
QJ 1142-1987
QJ 1142A-2008 history
- 1987 QJ 1142-1987 General technical specifications for gas check valves
QJ 1142A-2008 General specification for gas check valves has been changed from QJ 1142-1987 General technical specifications for gas check valves.