Improvements in and relating to wearproof insertions for crossings and points with vignoles rails,申请号GB19290027335-传众专利搜索

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发明名称	Improvements in and relating to wearproof insertions for crossings and points with vignoles rails
摘要
申请公布号	GB328528(A)	申请公布日期	1930.05.01
申请号	GB19290027335	申请日期	1929.09.09
申请人	VEREINIGTE STAHLWERKE AKTIENGESELLSCHAFT	发明人
分类号	E01B7/12	主分类号	E01B7/12
代理机构		代理人
主权项
地址

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