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发明名称
Improvements relating to projection lamps
摘要
申请公布号
GB526220(A)
申请公布日期
1940.09.12
申请号
GB19390007856
申请日期
1939.03.10
申请人
MALDON CAVENDISH HARLEY
发明人
分类号
F21V11/00;F21W101/10
主分类号
F21V11/00
代理机构
代理人
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地址
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