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发明名称
FEEDBACK LIGHT CONTROL SYSTEM
摘要
申请公布号
US3517167(A)
申请公布日期
1970.06.23
申请号
USD3517167
申请日期
1966.12.28
申请人
BELL & HOWELL CO.
发明人
NORTON W. BELL
分类号
G06K7/10;(IPC1-7):G01N21/30
主分类号
G06K7/10
代理机构
代理人
主权项
地址
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