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经营范围
发明名称
Device for the conversion of an image formed by lightrays into electrical impulses
摘要
申请公布号
GB476311(A)
申请公布日期
1937.12.06
申请号
GB19360015620
申请日期
1936.06.04
申请人
RUDOLF KOEMPFNER
发明人
分类号
H01J31/28
主分类号
H01J31/28
代理机构
代理人
主权项
地址
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