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发明名称
Dispositif pour masquer au moins en partie une ampoule électrique.
摘要
申请公布号
CH193460(A)
申请公布日期
1937.10.15
申请号
CHD193460
申请日期
1937.02.13
申请人
PHILIPPON,MARCEL
发明人
PHILIPPON,MARCEL
分类号
F21V11/00
主分类号
F21V11/00
代理机构
代理人
主权项
地址
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