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发明名称
Réglage automatique de l'amplitude
摘要
申请公布号
FR845897(A)
申请公布日期
1939.09.04
申请号
FRD845897
申请日期
1938.11.10
申请人
FERNSEH AKT.-GES.
发明人
分类号
H04N5/52
主分类号
H04N5/52
代理机构
代理人
主权项
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