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发明名称
Relais téléphonique
摘要
申请公布号
FR928855(A)
申请公布日期
1947.12.10
申请号
FRD928855
申请日期
1946.05.07
申请人
LES DIFFUSIONS MODERNES
发明人
PETITETIENNE LUCIEN
分类号
H01H51/06
主分类号
H01H51/06
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