Improvements in or relating to tamping devices,申请号GB19510020252-传众专利搜索

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发明名称	Improvements in or relating to tamping devices
摘要
申请公布号	GB713453(A)	申请公布日期	1954.08.11
申请号	GB19510020252	申请日期	1951.08.28
申请人	ANTON LANG	发明人
分类号	E02D3/061	主分类号	E02D3/061
代理机构		代理人
主权项
地址

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