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发明名称
Gegen eine Bahnschwelle abgestuetzter Pressluftschwellenstopfer
摘要
申请公布号
DE509412(C)
申请公布日期
1930.10.10
申请号
DENDATL077026D
申请日期
申请人
WALTER LUECKEN
发明人
分类号
E01B27/14
主分类号
E01B27/14
代理机构
代理人
主权项
地址
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