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发明名称
Electronic-optical device
摘要
申请公布号
US2257774(A)
申请公布日期
1941.10.07
申请号
US19380190629
申请日期
1938.02.15
申请人
VON ARDENNE MANFRED
发明人
ARDENNE MANFRED VON
分类号
H01J37/22;H01J37/28;H04N7/18
主分类号
H01J37/22
代理机构
代理人
主权项
地址
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