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发明名称
Electronic recognition
摘要
申请公布号
US3255437(A)
申请公布日期
1966.06.07
申请号
US19610084280
申请日期
1961.01.23
申请人
JOHN W. RALLS;ALVIN E. HENDRICSON
发明人
SINGER JEROME R.
分类号
G06F7/02;G06K9/78
主分类号
G06F7/02
代理机构
代理人
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