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发明名称
Improvements in and relating to lighting systems
摘要
申请公布号
GB452807(A)
申请公布日期
1936.08.31
申请号
GB19350011698
申请日期
1935.04.16
申请人
PERCY ERSKINE NOBBS
发明人
分类号
E04D13/03;F21S11/00
主分类号
E04D13/03
代理机构
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