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发明名称
Coded track circuit signaling system
摘要
申请公布号
US2317732(A)
申请公布日期
1943.04.27
申请号
US19410413018
申请日期
1941.09.30
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
COLEY NELSON B.
分类号
B61L1/18
主分类号
B61L1/18
代理机构
代理人
主权项
地址
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