QJ 485-1990
Test method for resistance to discoloration of copper and copper alloy oxide films (English Version)
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QJ 485-1990
Standard No.
QJ 485-1990
Language
Chinese,
Available in English version
Release Date
1990
Published By
Professional Standard - Aerospace
Latest
QJ 485-1990
Replace
QJ 485-1979
QJ 485-1990 history
1990
QJ 485-1990
Test method for resistance to discoloration of copper and copper alloy oxide films
1970
QJ 485-1979
Test method for resistance to discoloration of copper and copper alloy oxide films
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