Equipment for laying a layer of elongate material,申请号GB19790012136-传众专利搜索

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发明名称	Equipment for laying a layer of elongate material
摘要
申请公布号	GB2018862(A)	申请公布日期	1979.10.24
申请号	GB19790012136	申请日期	1979.04.06
申请人	COAL INDUSTRY LTD	发明人
分类号	E21D19/02;(IPC1-7):E21D19/02	主分类号	E21D19/02
代理机构		代理人
主权项
地址

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