FILTER FOR OIL AND HYDROGEOLOGICAL WELLS,申请号SU19833546992-传众专利搜索

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发明名称	FILTER FOR OIL AND HYDROGEOLOGICAL WELLS
摘要
申请公布号	SU1105620(A1)	申请公布日期	1984.07.30
申请号	SU19833546992	申请日期	1983.02.03
申请人	BRUSS NI GEOLOGORAZVEDOCHNYJ INSTITUT	发明人	BABETS MIKHAIL A,SU;NECHAEV NIKOLAJ D,SU
分类号	E21B43/08;(IPC1-7):E21B43/08	主分类号	E21B43/08
代理机构		代理人
主权项
地址

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