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发明名称
Perfectionnements aux systèmes de télécommande et de télécommunication
摘要
申请公布号
FR64108(E)
申请公布日期
1955.10.21
申请号
FRD64108
申请日期
1951.12.15
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HELMERT ROBERT
分类号
B61L27/00
主分类号
B61L27/00
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