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发明名称
Récepteur de télégraphe imprimeur
摘要
申请公布号
FR824721(A)
申请公布日期
1938.02.15
申请号
FRD824721
申请日期
1936.07.07
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H04L21/00
主分类号
H04L21/00
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