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发明名称
Perfectionnements aux systèmes de signalisation optique
摘要
申请公布号
FR1189279(A)
申请公布日期
1959.10.01
申请号
FRD1189279
申请日期
1957.11.29
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
LIEB ALBERT
分类号
A01G9/26;G02F1/15
主分类号
A01G9/26
代理机构
代理人
主权项
地址
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