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发明名称
Appareils télégraphiques imprimeurs
摘要
申请公布号
FR873946(A)
申请公布日期
1942.07.23
申请号
FRD873946
申请日期
1941.05.30
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H04L17/24
主分类号
H04L17/24
代理机构
代理人
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