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发明名称
A railway automatic block signalling system employing track circuits
摘要
申请公布号
GB840011(A)
申请公布日期
1960.07.06
申请号
GB19570025251
申请日期
1957.08.09
申请人
COMPAGNIE DE SIGNAUX ET D'ENTREPRISES ELECTRIQUES
发明人
ROUSSEAU EMMANUEL JOSEPH PAUL
分类号
B61L23/16
主分类号
B61L23/16
代理机构
代理人
主权项
地址
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