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发明名称
Selection mechanism for typewriter
摘要
申请公布号
US2905302(A)
申请公布日期
1959.09.22
申请号
US19560606600
申请日期
1956.08.28
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HICKERSON JOHN E.
分类号
B41J7/64;B41J19/36
主分类号
B41J7/64
代理机构
代理人
主权项
地址
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