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发明名称
Type bar rest
摘要
申请公布号
US2605880(A)
申请公布日期
1952.08.05
申请号
US19500203348
申请日期
1950.12.29
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
PAGE RALPH E.;DODGE RONALD D.
分类号
B41J7/22
主分类号
B41J7/22
代理机构
代理人
主权项
地址
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