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发明名称
Dispositif de commande à distance de signaux de voie
摘要
申请公布号
FR770691(A)
申请公布日期
1934.09.18
申请号
FRD770691
申请日期
1933.06.15
申请人
COMPAGNIE DES TELEPHONES THOMSON-HOUSTON
发明人
分类号
G08G1/085
主分类号
G08G1/085
代理机构
代理人
主权项
地址
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