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发明名称
Improvements relating to electric lamps
摘要
申请公布号
GB637287(A)
申请公布日期
1950.05.17
申请号
GB19480014635
申请日期
1948.05.31
申请人
JOSEPH LUCAS LIMITED;JAMES REGINALD FLAY
发明人
分类号
F21V19/00
主分类号
F21V19/00
代理机构
代理人
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