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发明名称
Dispositif de commande de sonnerie applicable notamment aux systèmes de téléphonie automatique
摘要
申请公布号
FR1504592(A)
申请公布日期
1967.12.08
申请号
FR19660608041
申请日期
1966.09.13
申请人
COMPAGNIE I B M FRANCE
发明人
GARCIA JEAN
分类号
H04M3/02;H04Q3/52
主分类号
H04M3/02
代理机构
代理人
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地址
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