DRAIN WORK EXAMINATION METHOD,申请号SU19925029366D-传众专利搜索

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发明名称	DRAIN WORK EXAMINATION METHOD
摘要
申请公布号	RU2010915(C1)	申请公布日期	1994.04.15
申请号	SU19925029366D	申请日期	1992.02.25
申请人	POPOV EVGENIJ N	发明人	POPOV EVGENIJ N
分类号	E02B11/00;(IPC1-7):E02B11/00	主分类号	E02B11/00
代理机构		代理人
主权项
地址

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