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发明名称
Perfectionnements aux filtres pour sources lumineuses
摘要
申请公布号
FR852053(A)
申请公布日期
1940.01.23
申请号
FRD852053
申请日期
1939.03.23
申请人
LEOPARD LIGHTING ACCESSORIES LIMITED
发明人
分类号
F21S8/10;G02B5/22
主分类号
F21S8/10
代理机构
代理人
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地址
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