Gesinterte Hartmetall-Einsatzschneide fuer Gesteinsbohrer,申请号DE1955S043240-传众专利搜索

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发明名称	Gesinterte Hartmetall-Einsatzschneide fuer Gesteinsbohrer
摘要
申请公布号	DE1122473(B)	申请公布日期	1962.01.25
申请号	DE1955S043240	申请日期	1955.03.29
申请人	SANVIKENS JERNVERKS AKTIEBOLAG	发明人	DAHLIN CURT VILHELM
分类号	E21B10/58	主分类号	E21B10/58
代理机构		代理人
主权项
地址

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