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发明名称
Improvements in or relating to tubular supports for electric lamps and the like
摘要
申请公布号
GB516121(A)
申请公布日期
1939.12.22
申请号
GB19380018015
申请日期
1938.06.17
申请人
HAROLD CYRIL COOPER
发明人
分类号
F21V19/00;F21V21/112
主分类号
F21V19/00
代理机构
代理人
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地址
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