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发明名称
Lighting unit
摘要
申请公布号
US1805485(A)
申请公布日期
1931.05.19
申请号
US19280321196
申请日期
1928.11.22
申请人
GENERAL ELECTRIC COMPANY
发明人
HALVORSON CROMWELL A. B.
分类号
F21S8/08
主分类号
F21S8/08
代理机构
代理人
主权项
地址
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