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发明名称
Schienenbefestigung auf eisernen, mit seitlich angewalzten Flanschen versehenen Trogschwellen
摘要
申请公布号
DE590489(C)
申请公布日期
1934.01.02
申请号
DENDATG082570D
申请日期
申请人
ANDREAS GROTKAMP
发明人
分类号
E01B9/64
主分类号
E01B9/64
代理机构
代理人
主权项
地址
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