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发明名称
摘要
申请公布号
DE2322538(C2)
申请公布日期
1984.05.30
申请号
DE19732322538
申请日期
1973.05.04
申请人
SCAN-TRON CORP., LOS ANGELES, CALIF., US
发明人
SOKOLSKI, MICHAEL, LAGUNA BEACH, CALIF., US;POOLE, THOMAS J., BACENTIA, CALIF., US
分类号
G09B7/00;G06K17/00;(IPC1-7):G09B7/06
主分类号
G09B7/00
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代理人
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