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发明名称
Anlage zur Sicherung des Fahrzeugverkehrs durch drahtlosen Fernmeldeverkehr zwischen zwei Stationen
摘要
申请公布号
DE809318(C)
申请公布日期
1951.07.26
申请号
DE1948P027693D
申请日期
1948.12.29
申请人
HAZELTINE CORPORATION
发明人
MCLLWAIN KNOX
分类号
B61L3/12;B61L23/12;G01S13/78;G01S13/93;H04J3/00
主分类号
B61L3/12
代理机构
代理人
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