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发明名称
Oberbau fuer Eisenbahnen und Strassenbahnen
摘要
申请公布号
DE521465(C)
申请公布日期
1931.03.27
申请号
DENDATF065924D
申请日期
申请人
ALBERT FUCHS
发明人
分类号
E01B5/02;E01B5/12
主分类号
E01B5/02
代理机构
代理人
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