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发明名称
Vergleichsschaltung zum Erkennen von Zeichen
摘要
申请公布号
DE1774812(A1)
申请公布日期
1971.10.21
申请号
DE19681774812
申请日期
1968.09.13
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
LELAND CLAPPER,GENUNG
分类号
(IPC1-7):G06K9/08
主分类号
(IPC1-7):G06K9/08
代理机构
代理人
主权项
地址
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