| 摘要 |
PURPOSE: An antioxidant of the material building surface made of copper or copper base alloy including cyanide salt is provided to prevent oxidation of copper by using cyanide salt. CONSTITUTION: An antioxidant of the material building surface made of copper or copper base alloy including cyanide salt comprises the follows. The cyanide salt is made from calcium cyanide, potassium cyanide or sodium cyanide. Copper or copper base alloy is composed of copper beryllium alloy.
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