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发明名称
IMPROVEMENTS IN AND RELATING TO PATTERN RECOGNITION APPARATUS
摘要
申请公布号
GB1237549(A)
申请公布日期
1971.06.30
申请号
GB19680038808
申请日期
1968.08.14
申请人
KABUSHIKI KAISHA RICOH
发明人
分类号
H01J31/38;H01J31/58
主分类号
H01J31/38
代理机构
代理人
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