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经营范围
发明名称
Light reflecting and distributing ceiling structure
摘要
申请公布号
US2280640(A)
申请公布日期
1942.04.21
申请号
US19380242965
申请日期
1938.11.29
申请人
REPUBLIC STEEL CORPORATION
发明人
SHOCKEY EDWARD
分类号
F21V7/00
主分类号
F21V7/00
代理机构
代理人
主权项
地址
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