Bohrlochwerkzeug,申请号DE1961S075232-传众专利搜索

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发明名称	Bohrlochwerkzeug
摘要
申请公布号	DE1193448(B)	申请公布日期	1965.05.26
申请号	DE1961S075232	申请日期	1961.08.08
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.	发明人	LAGUCKI EDWARD BRUNO
分类号	E21B23/08;E21B31/20	主分类号	E21B23/08
代理机构		代理人
主权项
地址

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