HYDROMONITOR FOR ERECTING ANTIFILTERING SCREENS,申请号BG19860074636-传众专利搜索

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发明名称	HYDROMONITOR FOR ERECTING ANTIFILTERING SCREENS
摘要
申请公布号	BG41762(A1)	申请公布日期	1987.08.14
申请号	BG19860074636	申请日期	1986.04.23
申请人	VARSAMOV,KIRIL G.;AGONCEV,EMANUIL P.;TOMOV,BORIS S.	发明人	VARSAMOV,KIRIL G.;AGONCEV,EMANUIL P.;TOMOV,BORIS S.
分类号	E21B7/18;(IPC1-7):E21B7/18	主分类号	E21B7/18
代理机构		代理人
主权项
地址

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