ARRANGEMENT FOR CONSTRUCTING TRENCHLESS DRAINAGE,申请号SU19853947365-传众专利搜索

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发明名称	ARRANGEMENT FOR CONSTRUCTING TRENCHLESS DRAINAGE
摘要
申请公布号	SU1375730(A1)	申请公布日期	1988.02.23
申请号	SU19853947365	申请日期	1985.08.19
申请人	SEVERNYJ NII GIDROTEKHNIKI MELIORATSII	发明人	LOPTEV SERGEJ L,SU
分类号	E02B11/02	主分类号	E02B11/02
代理机构		代理人
主权项
地址

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