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发明名称
Verfahren zum Auffrischen ausgeschlagener Schienenstoesse
摘要
申请公布号
DE659750(C)
申请公布日期
1938.05.09
申请号
DE1934O021453D
申请日期
1934.09.07
申请人
THE OXWELD RAILROAD SERVICE COMPANY
发明人
分类号
E01B31/18
主分类号
E01B31/18
代理机构
代理人
主权项
地址
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