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发明名称
Television optical projection system
摘要
申请公布号
US2740830(A)
申请公布日期
1956.04.03
申请号
US19510245024
申请日期
1951.09.04
申请人
EDGAR GRETENER
发明人
GRETENER EDGAR
分类号
G03B21/00;G03B33/00;H04N5/74;H04N9/16;H04N9/31
主分类号
G03B21/00
代理机构
代理人
主权项
地址
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