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发明名称
Light projection apparatus
摘要
申请公布号
US2425863(A)
申请公布日期
1947.08.19
申请号
US19450594512
申请日期
1945.05.18
申请人
GENERAL ELECTRIC COMPANY
发明人
CARLSON FRANK E.
分类号
G02B1/00
主分类号
G02B1/00
代理机构
代理人
主权项
地址
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