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发明名称
SCHIENENGLEICHER BAHNUEBERGANG
摘要
申请公布号
DE2450335(B2)
申请公布日期
1978.02.09
申请号
DE19742450335
申请日期
1974.10.23
申请人
发明人
分类号
E01C9/04;(IPC1-7):E01C9/04
主分类号
E01C9/04
代理机构
代理人
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地址
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