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发明名称
Lighting construction
摘要
申请公布号
US2071159(A)
申请公布日期
1937.02.16
申请号
US19310566213
申请日期
1931.10.01
申请人
BENJAMIN ELECTRIC MANUFACTURING COMPANY
发明人
BENJAMIN REUBEN B.
分类号
F21V7/09;F21V9/08;F21V11/06;F21V14/02;F21V15/04;F21V17/00;F21V17/16;F21V19/02;F21V21/30
主分类号
F21V7/09
代理机构
代理人
主权项
地址
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