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发明名称
Lighting unit for reflected illumination
摘要
申请公布号
US1888103(A)
申请公布日期
1932.11.15
申请号
US19310537851
申请日期
1931.05.16
申请人
GUTH EDWIN F
发明人
GUTH EDWIN F.
分类号
F21V7/04
主分类号
F21V7/04
代理机构
代理人
主权项
地址
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