A hydraulic pit prop for wall lining,申请号GB19800006905-传众专利搜索

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发明名称	A hydraulic pit prop for wall lining
摘要
申请公布号	GB2044855(A)	申请公布日期	1980.10.22
申请号	GB19800006905	申请日期	1980.02.29
申请人	CENTRUM KONSTRUCYJ NO TECHNOLOGIOZNE MASZYN GORNICZYCH	发明人
分类号	E21D15/44;(IPC1-7):E21D15/51	主分类号	E21D15/44
代理机构		代理人
主权项
地址

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