Improvements in or relating to railway sleepers,申请号GB19520011858-传众专利搜索

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发明名称	Improvements in or relating to railway sleepers
摘要
申请公布号	GB706602(A)	申请公布日期	1954.03.31
申请号	GB19520011858	申请日期	1952.05.09
申请人	FELIX MAILLARD	发明人
分类号	E01B3/36;E01B9/14;E01B9/18;E01B9/68;E01B13/02;F16B13/00;F16B19/02	主分类号	E01B3/36
代理机构		代理人
主权项
地址

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