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发明名称
Dispositif de commutation pour installations de signalisation
摘要
申请公布号
FR679234(A)
申请公布日期
1930.04.10
申请号
FRD679234
申请日期
1929.07.24
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
H04L12/18
主分类号
H04L12/18
代理机构
代理人
主权项
地址
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