HB/Z 132.9-1989 Guidelines for the manufacturing process of aero-engines Process scientific research and test work management regulations (English Version)
This standard specifies the basic tasks and working procedures for process scientific research and testing work in aerospace engine factories. This standard applies to factory aero-engine process research work.
HB/Z 132.9-1989 history
1989HB/Z 132.9-1989 Guidelines for the manufacturing process of aero-engines Process scientific research and test work management regulations