SINTERED BODY FOR EXCAVATING TOOL,申请号JP19810062099-传众专利搜索

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发明名称	SINTERED BODY FOR EXCAVATING TOOL
摘要
申请公布号	JPS57175776(A)	申请公布日期	1982.10.28
申请号	JP19810062099	申请日期	1981.04.23
申请人	SUMITOMO DENKI KOGYO KK	发明人	YATSU SHIYUUJI
分类号	C04B35/52;B22F7/00;E21B10/46	主分类号	C04B35/52
代理机构		代理人
主权项
地址

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