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发明名称
Improvements relating to lamps and the like
摘要
申请公布号
GB666976(A)
申请公布日期
1952.02.20
申请号
GB19480019216
申请日期
1948.07.16
申请人
EDMUND ALAN CATHCART
发明人
分类号
F21V33/00
主分类号
F21V33/00
代理机构
代理人
主权项
地址
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