Trépan pour le forage du sol,申请号FR19600831352-传众专利搜索

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发明名称	Trépan pour le forage du sol
摘要
申请公布号	FR1269187(A)	申请公布日期	1961.08.11
申请号	FR19600831352	申请日期	1960.06.28
申请人	SOCIETE EUROPEENNE DE TURBOFORAGE	发明人	TIRASPOLSKY WLADIMIR
分类号	E21B10/46	主分类号	E21B10/46
代理机构		代理人
主权项
地址

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