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发明名称
Improvements in and relating to reflectors for electric lighting fittings
摘要
申请公布号
GB359777(A)
申请公布日期
1931.10.29
申请号
GB19300036222
申请日期
1930.12.01
申请人
WILLIAM BLANCHARD TOPP
发明人
分类号
F21V11/00;F21V13/10
主分类号
F21V11/00
代理机构
代理人
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地址
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