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经营范围
发明名称
Perfectionnement apporté aux projections lumineuses
摘要
申请公布号
FR823681(A)
申请公布日期
1938.01.25
申请号
FRD823681
申请日期
1937.06.29
申请人
发明人
RAYMOND ANDRE
分类号
H05B31/00
主分类号
H05B31/00
代理机构
代理人
主权项
地址
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