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经营范围
发明名称
Ray-sensitive electric circuit
摘要
申请公布号
GB512764(A)
申请公布日期
1939.09.25
申请号
GB19370032890
申请日期
1937.11.29
申请人
RUDOLF BATTIG
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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