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发明名称
TYPEWRITER RIBBON REEL MECHANISM
摘要
申请公布号
IE23702(L)
申请公布日期
1960.05.24
申请号
IE19590000751
申请日期
1959.11.21
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
分类号
(IPC1-7):B41J/00
主分类号
(IPC1-7):B41J/00
代理机构
代理人
主权项
地址
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