METHOD OF CONSTRUCTING A FLEXIBLE WATER-PASSING DUCT,申请号SU19833631842-传众专利搜索

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发明名称	METHOD OF CONSTRUCTING A FLEXIBLE WATER-PASSING DUCT
摘要
申请公布号	SU1237733(A1)	申请公布日期	1986.06.15
申请号	SU19833631842	申请日期	1983.08.05
申请人	NOVIKOV VLADIMIR A	发明人	NOVIKOV VLADIMIR A,SU
分类号	E01F5/00;(IPC1-7):E01F5/00	主分类号	E01F5/00
代理机构		代理人
主权项
地址

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