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发明名称
Coded track circuit signaling system
摘要
申请公布号
US2349460(A)
申请公布日期
1944.05.23
申请号
US19400370186
申请日期
1940.12.14
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
PHINNEY ROBERT M.;FIELD OSCAR S.
分类号
B61L1/18
主分类号
B61L1/18
代理机构
代理人
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地址
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