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发明名称
Projecteur lumineux polychrome à changement automatique, de coloration
摘要
申请公布号
FR761697(A)
申请公布日期
1934.03.24
申请号
FRD761697
申请日期
1933.10.05
申请人
BLANCHETOT & ROLLAND
发明人
分类号
F21V9/10;G09F19/18
主分类号
F21V9/10
代理机构
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