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发明名称
Systèmes de bureaux centraux téléimprimeurs
摘要
申请公布号
FR861961(A)
申请公布日期
1941.02.22
申请号
FRD861961
申请日期
1939.11.29
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H04L12/02;H04L12/26
主分类号
H04L12/02
代理机构
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