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发明名称
TABULATING RACK
摘要
申请公布号
CA779764(A)
申请公布日期
1968.03.05
申请号
CAD779764
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
JOHN O. SCHAEFER
分类号
主分类号
代理机构
代理人
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地址
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