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发明名称
Perfectionnements aux systèmes de télécommande et de télécommunication
摘要
申请公布号
FR67490(E)
申请公布日期
1958.03.13
申请号
FRD67490
申请日期
1954.12.09
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HELMERT ROBERT
分类号
B61L19/06
主分类号
B61L19/06
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