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发明名称
Systèmes téléphoniques à lignes partagées
摘要
申请公布号
FR882083(A)
申请公布日期
1943.05.17
申请号
FRD882083
申请日期
1942.05.15
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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