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发明名称
Adjustable electric light fittings
摘要
申请公布号
GB693903(A)
申请公布日期
1953.07.08
申请号
GB19500005150
申请日期
1950.03.01
申请人
ROBERT HURLEY EDIS
发明人
分类号
F21V21/14
主分类号
F21V21/14
代理机构
代理人
主权项
地址
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