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发明名称
READING MACHINE
摘要
申请公布号
CA398298(A)
申请公布日期
1941.07.29
申请号
CAD398298
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
JAMES W. BRYCE
分类号
主分类号
代理机构
代理人
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