TUNNELLING SHIELD FOR DRIVING TUNNELS PREFERABLY IN WEAK ROCKS,申请号SU19782599893-传众专利搜索

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发明名称	TUNNELLING SHIELD FOR DRIVING TUNNELS PREFERABLY IN WEAK ROCKS
摘要
申请公布号	SU767352(A1)	申请公布日期	1980.09.30
申请号	SU19782599893	申请日期	1978.04.04
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	SERGEEV EVGENIJ P,SU;KOROLEV VADIM G,SU;KUVSHINOVA VALERIYA L,SU
分类号	E21D9/06;(IPC1-7):E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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