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发明名称
Means for controlling radiations
摘要
申请公布号
US1906803(A)
申请公布日期
1933.05.02
申请号
US19300437431
申请日期
1930.03.20
申请人
CARL MUELLER
发明人
MUELLER CARL
分类号
H04N5/66
主分类号
H04N5/66
代理机构
代理人
主权项
地址
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