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发明名称
Improvements in the recording of electric picture currents
摘要
申请公布号
GB419836(A)
申请公布日期
1934.11.20
申请号
GB19330021730
申请日期
1933.08.02
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04N1/23
主分类号
H04N1/23
代理机构
代理人
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