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发明名称
Luminous ceiling structure
摘要
申请公布号
US2972044(A)
申请公布日期
1961.02.14
申请号
US19550526869
申请日期
1955.08.08
申请人
LUMINOUS CEILINGS, INC.
发明人
SMITH GEAN
分类号
E04B9/32;F21V17/00
主分类号
E04B9/32
代理机构
代理人
主权项
地址
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