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发明名称
Procédé pour l'inversion des images et pour le réglage du degré de modulation dans la télégraphie d'images
摘要
申请公布号
FR701206(A)
申请公布日期
1931.03.13
申请号
FRD701206
申请日期
1930.08.22
申请人
SIEMENS & HALSKE AKTIEN-GESELLSCHAFT
发明人
分类号
H04N5/30
主分类号
H04N5/30
代理机构
代理人
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地址
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