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发明名称
Appareillage pour la transmission automatique d'informations enregistrées aux abonnés appelants d'un réseau téléphonique
摘要
申请公布号
FR856323(A)
申请公布日期
1940.06.11
申请号
FRD856323
申请日期
1939.02.25
申请人
发明人
ZERNER FRIEDRICH
分类号
H04M1/65
主分类号
H04M1/65
代理机构
代理人
主权项
地址
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