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发明名称
Typewriter tape punch
摘要
申请公布号
US3014644(A)
申请公布日期
1961.12.26
申请号
US19600009363
申请日期
1960.02.17
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CLAY EVERETT C.
分类号
H04L17/08
主分类号
H04L17/08
代理机构
代理人
主权项
地址
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