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发明名称
Diffuseur particulièrement applicable aux projecteurs
摘要
申请公布号
FR733671(A)
申请公布日期
1932.10.10
申请号
FRD733671
申请日期
1931.06.20
申请人
SOCIETE POUR LA FABRICATION DES PROJECTEURS ELECTRIQUES MARCHAL
发明人
分类号
F21V7/04
主分类号
F21V7/04
代理机构
代理人
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