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发明名称
Filtre de lumière
摘要
申请公布号
FR771888(A)
申请公布日期
1934.10.18
申请号
FRD771888
申请日期
1934.04.16
申请人
发明人
BRAUNE ALBERT
分类号
F21V9/00;F21V9/02;F21V29/00
主分类号
F21V9/00
代理机构
代理人
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地址
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