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发明名称
Code communication systems
摘要
申请公布号
US2868962(A)
申请公布日期
1959.01.13
申请号
US19530339398
申请日期
1953.02.27
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
COLEY NELSON B.;JUDGE THOMAS J.;ALBRIGHTON REGINALD F.
分类号
B61L7/08
主分类号
B61L7/08
代理机构
代理人
主权项
地址
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