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发明名称
Improvements in or relating to optical projectors
摘要
申请公布号
GB641641(A)
申请公布日期
1950.08.16
申请号
GB19450031552
申请日期
1945.11.22
申请人
HENRI ANDRE JEANMAIRE
发明人
分类号
G03B23/14
主分类号
G03B23/14
代理机构
代理人
主权项
地址
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