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发明名称
CHARACTER RECOGNITION SYSTEMS USING ELECTRODE PAIRS ON PHOTOCONDUCTIVE FILMS
摘要
申请公布号
CA776864(A)
申请公布日期
1968.01.23
申请号
CAD776864
申请日期
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
SIDNEY H. LIEBSON;ROBERT W. CLARK
分类号
主分类号
代理机构
代理人
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