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发明名称
Ecran mobile pour projections lumineuses
摘要
申请公布号
FR907295(A)
申请公布日期
1946.03.07
申请号
FRD907295
申请日期
1944.10.10
申请人
发明人
MONIN FRANCISQUE
分类号
G03B21/58
主分类号
G03B21/58
代理机构
代理人
主权项
地址
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