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发明名称
Improvements in electric lamp fittings of the flame-proof type
摘要
申请公布号
GB393721(A)
申请公布日期
1933.06.15
申请号
GB19320008192
申请日期
1932.03.19
申请人
MAXLUME LIGHTING & HEATING COMPANY LIMITED;JAMES WILLIAM FORTH
发明人
分类号
F21V23/04;F21V25/12
主分类号
F21V23/04
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代理人
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