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发明名称
Commutateur électronique
摘要
申请公布号
FR1020323(A)
申请公布日期
1953.02.04
申请号
FRD1020323
申请日期
1950.05.05
申请人
LE MATERIEL TELEPHONIQUE
发明人
TOURATON EMILE
分类号
H01J31/04
主分类号
H01J31/04
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