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发明名称
écran de projection
摘要
申请公布号
FR1361476(A)
申请公布日期
1964.05.22
申请号
FR19630931000
申请日期
1963.04.09
申请人
ALTULOR
发明人
PERRIN CHRISTIAN MAURICE ROBERT
分类号
G03B21/62
主分类号
G03B21/62
代理机构
代理人
主权项
地址
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