MINE ROOF SUPPORTS,申请号GB19760036517-传众专利搜索

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发明名称	MINE ROOF SUPPORTS
摘要
申请公布号	GB1593376(A)	申请公布日期	1981.07.15
申请号	GB19760036517	申请日期	1976.09.03
申请人	HUWOOD LTD	发明人
分类号	E21D23/04;E21D23/06;(IPC1-7):E21D15/48	主分类号	E21D23/04
代理机构		代理人
主权项
地址

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