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经营范围
发明名称
Combination lighting fixture and wiring conduit
摘要
申请公布号
US2740883(A)
申请公布日期
1956.04.03
申请号
US19530354280
申请日期
1953.05.11
申请人
A. L. SMITH IRON COMPANY
发明人
KRUGER MICHAEL HENRY
分类号
F21S4/00;F21S8/06;F21V7/00;F21V21/00;F21V21/005;F21V21/112;F21V23/02
主分类号
F21S4/00
代理机构
代理人
主权项
地址
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