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发明名称
Recessed lighting fixture with adjustable spotlight
摘要
申请公布号
US2649535(A)
申请公布日期
1953.08.18
申请号
US19470759148
申请日期
1947.07.05
申请人
FEDER ABRAHAM H
发明人
FEDER ABRAHAM H.
分类号
F21S8/02;F21V21/30
主分类号
F21S8/02
代理机构
代理人
主权项
地址
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