WATERPROOFING OF PRESSURE TUNNELS (MODIFICATIONS),申请号SU19802882107-传众专利搜索

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发明名称	WATERPROOFING OF PRESSURE TUNNELS (MODIFICATIONS)
摘要
申请公布号	SU977793(A1)	申请公布日期	1982.11.30
申请号	SU19802882107	申请日期	1980.02.12
申请人	NI SEKTOR V PROEKTNO-IZYSKATELSKOGO NII "GIDROPROEKT" IM.S.YA.ZHUKA	发明人	REZNIKOV ROMAN A,SU;VARTAPETOV BORIS M,SU
分类号	E21D11/10;(IPC1-7):E21D11/10	主分类号	E21D11/10
代理机构		代理人
主权项
地址

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