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发明名称
DOCUMENT READER
摘要
申请公布号
CA902234(A)
申请公布日期
1972.06.06
申请号
CAD902234
申请日期
申请人
WESTINGHOUSE LEARNING CORPORATION
发明人
RICHARD W. GEORGE
分类号
B41F5/02;G01D15/28;G06K7/14;G06K13/04;G06K13/07;(IPC1-7):B41F5/02
主分类号
B41F5/02
代理机构
代理人
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地址
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