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发明名称
Adjustable reflector
摘要
申请公布号
US2421057(A)
申请公布日期
1947.05.27
申请号
US19450596617
申请日期
1945.05.30
申请人
THE AMERICAN DISPLAY COMPANY
发明人
DUNKELBERGER MILTON S.
分类号
F21V17/02;F21V17/06
主分类号
F21V17/02
代理机构
代理人
主权项
地址
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