METHOD OF BUILDING-UP ANTIFILTRATION FENCINGS AT EXCAVATING MINE WORKINGS,申请号SU19772491459-传众专利搜索

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发明名称	METHOD OF BUILDING-UP ANTIFILTRATION FENCINGS AT EXCAVATING MINE WORKINGS
摘要
申请公布号	SU651135(A1)	申请公布日期	1979.03.05
申请号	SU19772491459	申请日期	1977.06.01
申请人	VNI PK I PO OSUSHENIYU MESTOROZHDENIJ POLEZNYKH ISKOPAEMYKH,CüE\|ôAóÓHÕM ×OPHÕM PA¬OTAM, PY¯HôÚHOö ×EOóO×ôô ô MAPKÛEö¯EPCKOMY ¯EóY	发明人	MOZGOVOJ VIKTOR F,SU;SEDIN STANISLAV A,SU
分类号	E21D1/12;(IPC1-7):E21D1/12	主分类号	E21D1/12
代理机构		代理人
主权项
地址

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