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发明名称
Perfectionnements apportés à la projection de la lumière
摘要
申请公布号
FR709027(A)
申请公布日期
1931.08.01
申请号
FRD709027
申请日期
1930.12.23
申请人
STELMAR PROJECTION LIGHTING LIMITED
发明人
分类号
F21S8/10;F21V5/00
主分类号
F21S8/10
代理机构
代理人
主权项
地址
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