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发明名称
Improvements relating to the platen and shift mechanism of typewriters
摘要
申请公布号
GB485785(A)
申请公布日期
1938.05.25
申请号
GB19370004181
申请日期
1937.02.12
申请人
JOHN JARDINE LIMITED;HORACE JOSIAH BALL
发明人
分类号
B41J11/14
主分类号
B41J11/14
代理机构
代理人
主权项
地址
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