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经营范围
发明名称
Nitrogen-containing sintered hard alloy
摘要
申请公布号
EP0822265(B1)
申请公布日期
2001.10.17
申请号
EP19970115279
申请日期
1995.05.18
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人
TSUDA, KEIICHI;ISOBE, KAZUTAKA;IKEGAYA, AKIHIKO;KITAGAWA, NOBUYUKI
分类号
B22F7/02;C22C1/05;C22C29/02;C22C29/04;(IPC1-7):C22C29/02;C22C29/08
主分类号
B22F7/02
代理机构
代理人
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