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发明名称
METHOD FOR FORMING WRITTEN SYMBOLS TO BE READ BY AUTOMATIC CHARACTER RECOGNITION EQUIPMENT
摘要
申请公布号
US3485168(A)
申请公布日期
1969.12.23
申请号
USD3485168
申请日期
1967.02.20
申请人
MEREDITH PUBLISHING CO.
发明人
JOHN L. MARTINSON
分类号
G06K9/00;G06K9/18
主分类号
G06K9/00
代理机构
代理人
主权项
地址
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