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经营范围
发明名称
Superposition optical image projector
摘要
申请公布号
US2556871(A)
申请公布日期
1951.06.12
申请号
US19500171431
申请日期
1950.06.30
申请人
GENERAL ELECTRIC COMPANY
发明人
DEGNAN WILLIAM J.;KETTLER CLARENCE J.
分类号
G03B15/08
主分类号
G03B15/08
代理机构
代理人
主权项
地址
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