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发明名称
UEberwachungseinrichtung fuer Weichen und Signale
摘要
申请公布号
DE647258(C)
申请公布日期
1937.06.30
申请号
DE1933V030251D
申请日期
1933.12.31
申请人
VEREINIGTE EISENBAHN-SIGNALWERKE G.M.B.H.
发明人
分类号
B61L7/06
主分类号
B61L7/06
代理机构
代理人
主权项
地址
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