MINE ROOF SUPPORTS,申请号GB19750034344-传众专利搜索

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发明名称	MINE ROOF SUPPORTS
摘要
申请公布号	GB1557174(A)	申请公布日期	1979.12.05
申请号	GB19750034344	申请日期	1976.11.19
申请人	FLETCHER SUTCLIFFE WILD LTD	发明人
分类号	E21D15/48;E21D23/04;(IPC1-7):E21D15/48	主分类号	E21D15/48
代理机构		代理人
主权项
地址

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