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发明名称
Improvements in lanterns for floodlighting
摘要
申请公布号
GB469650(A)
申请公布日期
1937.07.29
申请号
GB19370007000
申请日期
1937.03.10
申请人
CHARLES PERCY GRIMLEY
发明人
分类号
F21V7/00
主分类号
F21V7/00
代理机构
代理人
主权项
地址
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