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发明名称
Improvements in or relating to lamp shades
摘要
申请公布号
GB712218(A)
申请公布日期
1954.07.21
申请号
GB19520022070
申请日期
1952.09.02
申请人
GORDON RONALD JARVIS
发明人
分类号
F21V1/00
主分类号
F21V1/00
代理机构
代理人
主权项
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