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发明名称
OPTICAL CARD READER
摘要
申请公布号
AU540078(B2)
申请公布日期
1984.11.01
申请号
AU19800058344
申请日期
1980.05.13
申请人
ELECTRONIC MARKETING SYSTEMS, INC.
发明人
FREDY ERIC GRAF;WILLIAM MICHAEL MAHLER;HOWARD JOSEPH MALAN
分类号
G06K7/14;(IPC1-7):G06K7/10
主分类号
G06K7/14
代理机构
代理人
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