QJ 500-1980
Specifications for carbon steel and alloy structural steel forgings (English Version)
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QJ 500-1980
Standard No.
QJ 500-1980
Language
Chinese,
Available in English version
Published By
Professional Standard - Aerospace
Status
Withdraw
Replace By
QJ 500-1989
Latest
QJ 500-1989
QJ 500-1980 history
1970
QJ 500-1989
Specifications for carbon steel and alloy structural steel forgings
1970
QJ 500-1980
Specifications for carbon steel and alloy structural steel forgings
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