Schlagbohrer,申请号DE19691940836-传众专利搜索

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发明名称	Schlagbohrer
摘要
申请公布号	DE1940836(A1)	申请公布日期	1970.02.19
申请号	DE19691940836	申请日期	1969.08.11
申请人	DRESSER INDUSTRIES,INC.	发明人	K. CATTERSON,ROBERT
分类号	B25D9/12;E21B1/26	主分类号	B25D9/12
代理机构		代理人
主权项
地址

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