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发明名称
Appareil pour assurer la fermeture d'un circuit électrique pendant l'une quelconqued'un certain nombre de périodes de temps prédéterminées
摘要
申请公布号
FR897180(A)
申请公布日期
1945.03.14
申请号
FRD897180
申请日期
1943.08.10
申请人
REOFON V/F CHRISTENSEN
发明人
分类号
H03K17/288
主分类号
H03K17/288
代理机构
代理人
主权项
地址
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