MINE ROOF SUPPORT TOP PART,申请号SU19782438330-传众专利搜索

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发明名称	MINE ROOF SUPPORT TOP PART
摘要
申请公布号	SU723176(A1)	申请公布日期	1980.03.25
申请号	SU19782438330	申请日期	1978.01.06
申请人	VNI PK UGOLNYJ INSTITUT	发明人	ATYGAEV KENES O,SU;KHOKHLOV YURIJ M,SU;ROGOZOV BORIS G,SU;ZHOLDASPAEV SERGEJ T,SU
分类号	E21D23/06;(IPC1-7):E21D23/06	主分类号	E21D23/06
代理机构		代理人
主权项
地址

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