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发明名称
Keyboard mechanism
摘要
申请公布号
US3014569(A)
申请公布日期
1961.12.26
申请号
US19600018143
申请日期
1960.03.28
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
PALMER LEON E.
分类号
B41J5/14;B41J7/60
主分类号
B41J5/14
代理机构
代理人
主权项
地址
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