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发明名称
TYPEWRITER KEYBOARD WITH A KEYLEVER PAWL TUBE SPRING
摘要
申请公布号
EP0036922(B1)
申请公布日期
1985.01.23
申请号
EP19810100300
申请日期
1981.01.16
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
MAYBORG, CHARLES CLARENCE;TEEL, II DELBERT LEWIS
分类号
B41J5/08;B41J5/14;B41J7/02;(IPC1-7):B41J5/14
主分类号
B41J5/08
代理机构
代理人
主权项
地址
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