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发明名称
Optical projector producing superimposed images from revolving concentric film tracks
摘要
申请公布号
US3195400(A)
申请公布日期
1965.07.20
申请号
US19620207695
申请日期
1962.07.05
申请人
DREAM LITE CO.
发明人
DLOTT JOSEPH M.
分类号
G03B21/60
主分类号
G03B21/60
代理机构
代理人
主权项
地址
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