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发明名称
Gegen unbefugtes Loesen gesicherte Schienenbefestigung auf Holzschwellen
摘要
申请公布号
DE616124(C)
申请公布日期
1935.07.20
申请号
DENDATB164560D
申请日期
申请人
DORA BRANDT GEB. ALBERS;DORA BRANDT GEB. ALBERS
发明人
分类号
E01B9/46
主分类号
E01B9/46
代理机构
代理人
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地址
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