Improvements in or relating to adjustable hydraulic mine props or the like,申请号GB19520014355-传众专利搜索

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发明名称	Improvements in or relating to adjustable hydraulic mine props or the like
摘要
申请公布号	GB737748(A)	申请公布日期	1955.09.28
申请号	GB19520014355	申请日期	1952.06.06
申请人	EISENWERK WANHEIM G.M.B.H.	发明人
分类号	E21D15/51	主分类号	E21D15/51
代理机构		代理人
主权项
地址

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