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发明名称
Light modulating device
摘要
申请公布号
US2289205(A)
申请公布日期
1942.07.07
申请号
US19400319858
申请日期
1940.02.20
申请人
PAUL NAGY;JAMES GODDARD MARCUS
发明人
NAGY PAUL;GODDARD MARCUS JAMES
分类号
H04N5/74
主分类号
H04N5/74
代理机构
代理人
主权项
地址
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