Gesteinsdrehbohrer mit loesbar eingesetzten Schneidstaehlen,申请号DE1952D013221-传众专利搜索

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发明名称	Gesteinsdrehbohrer mit loesbar eingesetzten Schneidstaehlen
摘要
申请公布号	DE1002264(B)	申请公布日期	1957.02.14
申请号	DE1952D013221	申请日期	1952.09.29
申请人	JOSEF DIONISOTTI	发明人	DIONISOTTI JOSEF
分类号	E21B10/40	主分类号	E21B10/40
代理机构		代理人
主权项
地址

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