MINE BRAKE FOR MINE WORKINGS,申请号SU19782648065-传众专利搜索

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发明名称	MINE BRAKE FOR MINE WORKINGS
摘要
申请公布号	SU723117(A1)	申请公布日期	1980.03.25
申请号	SU19782648065	申请日期	1978.07.24
申请人	NI P K I PO DOBYCHE POLEZNYKH ISKOPAEMYKH OTKRYTYM SPOSOBOM (NIIOGR)	发明人	MAKAROV VENIAMIN P,SU;ILINA IZABELLA B,SU;ANDREEV ALEKSANDR V,SU
分类号	E21D11/15;(IPC1-7):E21D11/15	主分类号	E21D11/15
代理机构		代理人
主权项
地址

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