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发明名称
IMPROVEMENTS RELATING TO OPTICAL CORRECTION SYSTEMS
摘要
申请公布号
GB1235344(A)
申请公布日期
1971.06.09
申请号
GB19680058580
申请日期
1968.12.10
申请人
HARRIES ELECTRONIC CORPORATION
发明人
WALTER THOMPSON WELFORD
分类号
H04N9/18
主分类号
H04N9/18
代理机构
代理人
主权项
地址
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