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发明名称
Système à courants porteurs multiples comportant un nombre de canaux différant sélectivement
摘要
申请公布号
FR902274(A)
申请公布日期
1945.08.23
申请号
FRD902274
申请日期
1944.02.29
申请人
LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
H04J1/12
主分类号
H04J1/12
代理机构
代理人
主权项
地址
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