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发明名称
Dispositif d'éclairage
摘要
申请公布号
FR709716(A)
申请公布日期
1931.08.12
申请号
FRD709716
申请日期
1931.01.20
申请人
THE SINGER MANUFACTURING COMPANY
发明人
分类号
F21S8/00;F21V17/06
主分类号
F21S8/00
代理机构
代理人
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地址
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