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发明名称
INFORMATION SELECTOR DEVICE AND PROJECTION SYSTEM
摘要
申请公布号
CA789220(A)
申请公布日期
1968.07.09
申请号
CAD789220
申请日期
申请人
JOHN G. DORAN
发明人
JOHN G. DORAN
分类号
主分类号
代理机构
代理人
主权项
地址
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