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发明名称
摘要
申请公布号	FR2458733(B1)	申请公布日期	1983.01.28
申请号	FR19790014844	申请日期	1979.06.11
申请人	INSTITUT STROITELSTVU MAGISTRAL	发明人
分类号	E02D27/46;F16L1/06;F16L1/24;(IPC1-7):F16L1/02;F16L3/02	主分类号	E02D27/46
代理机构		代理人
主权项
地址

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