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发明名称
Improvements in or relating to optical projectors for images carried on a film strip
摘要
申请公布号
GB594056(A)
申请公布日期
1947.10.31
申请号
GB19450016156
申请日期
1945.06.25
申请人
GEORGE HERBERT LANCHESTER
发明人
分类号
G03B1/56
主分类号
G03B1/56
代理机构
代理人
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