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发明名称
Procédé de projection fixe ou animée donnant le relief en vision collectivc
摘要
申请公布号
FR992379(A)
申请公布日期
1951.10.17
申请号
FRD992379
申请日期
1944.06.20
申请人
ETABLISSEMENTS EDOUARD BELIN
发明人
LANGE MAURICE
分类号
G03B21/60
主分类号
G03B21/60
代理机构
代理人
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