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发明名称
OPTICAL MARK READER
摘要
申请公布号
JPH0498382(A)
申请公布日期
1992.03.31
申请号
JP19900211829
申请日期
1990.08.10
申请人
PFU LTD
发明人
NAKAGAWA TAKANORI
分类号
G06K7/10
主分类号
G06K7/10
代理机构
代理人
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