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发明名称
RECORDING MACHINE
摘要
申请公布号
CA337517(A)
申请公布日期
1933.11.28
申请号
CAD337517
申请日期
申请人
THE TABULATING MACHINE COMPANY;THE INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
EUGENE BUHLER
分类号
主分类号
代理机构
代理人
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