QJ 412-1978
Flaky double-ended smooth plug gauge (D=30~100) (English Version)
- Standard No.
- QJ 412-1978
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Latest
- QJ 412-1978
QJ 412-1978 history
- 1970 QJ 412-1978 Flaky double-ended smooth plug gauge (D=30~100)
