Anchoring for recovery columns of oil well columns or the like, and corresponding method,申请号IT1993PC00018-传众专利搜索

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发明名称	Anchoring for recovery columns of oil well columns or the like, and corresponding method
摘要
申请公布号	IT1265936(B1)	申请公布日期	1996.12.16
申请号	IT1993PC00018	申请日期	1993.09.27
申请人	MAESTRAMI MARINO	发明人	MAESTRAMI MARINO
分类号	E21B	主分类号	E21B
代理机构		代理人
主权项
地址

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