Improvements in or relating to permanent ways of railways,申请号GB19320006973-传众专利搜索

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发明名称	Improvements in or relating to permanent ways of railways
摘要
申请公布号	GB382851(A)	申请公布日期	1932.11.03
申请号	GB19320006973	申请日期	1932.03.08
申请人	MICHELIN & CIE.	发明人
分类号	E01B25/00	主分类号	E01B25/00
代理机构		代理人
主权项
地址

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