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发明名称
Procédé et dispositif pour le réglage de la netteté dans la transmission électrique des images
摘要
申请公布号
FR869866(A)
申请公布日期
1942.02.23
申请号
FRD869866
申请日期
1941.02.08
申请人
FERNSEH G.M.B.H.
发明人
分类号
A47L9/19;H02K27/14;H04N5/228;H04N5/232;H04N5/40
主分类号
A47L9/19
代理机构
代理人
主权项
地址
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