| 摘要 |
PROBLEM TO BE SOLVED: To provide a casting gold alloy which is used for dental care and accessories, shows a full gold color and inhibits thermal deformation. SOLUTION: The gold alloy comprises, by mass%, 83.0 to 90.0% Au, 8.0 to 10.0% Pt, 1.0 to 2.0% In and 0.1 to 1.5% Co. COPYRIGHT: (C)2008,JPO&INPIT
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