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发明名称
Electric lighting device
摘要
申请公布号
US2117756(A)
申请公布日期
1938.05.17
申请号
US19360066653
申请日期
1936.03.02
申请人
KINGSTON PRODUCTS CORPORATION
发明人
DOUGLAS HARRY A.
分类号
F21V19/00;G01D11/28;G12B11/00
主分类号
F21V19/00
代理机构
代理人
主权项
地址
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