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发明名称
Perfectionnements aux systèmes téléphoniques automatiques
摘要
申请公布号
FR1058491(A)
申请公布日期
1954.03.16
申请号
FRD1058491
申请日期
1952.06.18
申请人
COMPAGNIE GENERALE DE CONSTRUCTIONS TELEPHONIQUES;LE MATERIEL TELEPHONIQUE
发明人
GOHOREL FERNAND-PIERRE
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
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