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发明名称
Perfectionnements aux systèmes identificateurs de route
摘要
申请公布号
FR927714(A)
申请公布日期
1947.11.07
申请号
FRD927714
申请日期
1946.06.07
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
JACOBS GEORGES WEBSTER
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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