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发明名称
DIGITALIZATION SYSTEM FOR MULTI-TRACK OPTICAL CHARACTER SENSING
摘要
申请公布号
CA719773(A)
申请公布日期
1965.10.12
申请号
CAD719773
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
DOUGLAS C. GROCE
分类号
主分类号
代理机构
代理人
主权项
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