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发明名称
Light valve
摘要
申请公布号
US2147693(A)
申请公布日期
1939.02.21
申请号
US19360060784
申请日期
1936.01.25
申请人
RADIO CORPORATION
发明人
DOWSETT HARRY MELVILLE
分类号
G02F1/07
主分类号
G02F1/07
代理机构
代理人
主权项
地址
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