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发明名称
Improvements in or relating to electric ceiling roses and the like
摘要
申请公布号
GB577522(A)
申请公布日期
1946.05.21
申请号
GB19440010485
申请日期
1944.05.31
申请人
HERBERT HENRY HARVEY
发明人
分类号
F21V21/03
主分类号
F21V21/03
代理机构
代理人
主权项
地址
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