QJ 457-1979
Tin coating specification (English Version)
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QJ 457-1979
Standard No.
QJ 457-1979
Language
Chinese,
Available in English version
Published By
Professional Standard - Aerospace
Status
Be replaced
1989-08
Replace By
QJ 457-1988
Latest
QJ 457-1988
QJ 457-1979 history
1988
QJ 457-1988
Tin coating specification
1970
QJ 457-1979
Tin coating specification
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