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发明名称
Improvements in or relating to typewriters
摘要
申请公布号
GB995806(A)
申请公布日期
1965.06.23
申请号
GB19630038088
申请日期
1963.09.27
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
B41J19/58
主分类号
B41J19/58
代理机构
代理人
主权项
地址
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