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发明名称
UEberpruefung des Gleisrelais bei selbsttaetigen Gleisfreimeldeanlagen
摘要
申请公布号
DE688679(C)
申请公布日期
1940.02.28
申请号
DE193700V4440D
申请日期
1937.12.25
申请人
VEREINIGTE EISENBAHN-SIGNALWERKE G.M.B.H.
发明人
LUEDDECKE DIPL.-ING. CARL
分类号
B61L21/06
主分类号
B61L21/06
代理机构
代理人
主权项
地址
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