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发明名称
Commutateur à barres croisées pour installations de téléphonie automatique
摘要
申请公布号
FR971697(A)
申请公布日期
1951.01.19
申请号
FRD971697
申请日期
1948.09.16
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01H67/26
主分类号
H01H67/26
代理机构
代理人
主权项
地址
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