Trépan découpeur et procédé d'ancrage.,申请号OA19690053469-传众专利搜索

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发明名称	Trépan découpeur et procédé d'ancrage.
摘要
申请公布号	OA2969(A)	申请公布日期	1970.12.15
申请号	OA19690053469	申请日期	1969.01.03
申请人	NAVENBY LTD	发明人
分类号	E02D5/76;E21B10/32;(IPC1-7):E21B10/32	主分类号	E02D5/76
代理机构		代理人
主权项
地址

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