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发明名称
摘要
A tool such as a drill, etc. made of a hard metal, e.g., a cemented carbide, having applied thereto a coating film of a noble metal such as gold, silver, platinum, etc. by means of an ion-plating treatment.
申请公布号
JPS4972777(A)
申请公布日期
1974.07.13
申请号
JP19720114313
申请日期
1972.11.16
申请人
发明人
分类号
B22F3/24;B23B27/14;B23B51/00;B23P15/28;C23C14/14;C23C14/16;C23C30/00;H05K3/00
主分类号
B22F3/24
代理机构
代理人
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