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发明名称
Improvements in electric lighting fittings
摘要
申请公布号
GB781055(A)
申请公布日期
1957.08.14
申请号
GB19540006903
申请日期
1954.03.09
申请人
THE BENJAMIN ELECTRIC LIMITED
发明人
FENN JOHN JAMES
分类号
F21V17/00
主分类号
F21V17/00
代理机构
代理人
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地址
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