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发明名称
Lighting fixture for circular fluorescent and incandescent lamps
摘要
申请公布号
US2507074(A)
申请公布日期
1950.05.09
申请号
US19450589736
申请日期
1945.04.23
申请人
WIEDENHOEFT ARTHUR E
发明人
WIEDENHOEFT ARTHUR E.
分类号
F21S8/08;F21Y113/02
主分类号
F21S8/08
代理机构
代理人
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地址
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