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发明名称
Continuous inductive train control system
摘要
申请公布号
US2131736(A)
申请公布日期
1938.10.04
申请号
US19370145080
申请日期
1937.05.27
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
HOPPE WALTER H.
分类号
B61L3/22
主分类号
B61L3/22
代理机构
代理人
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地址
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