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发明名称
Improvements in typewriting machines
摘要
申请公布号
GB389626(A)
申请公布日期
1933.03.23
申请号
GB19320003168
申请日期
1932.02.03
申请人
JOHN JARDINE LIMITED;HORACE JOSIAH BALL
发明人
分类号
B41J7/02
主分类号
B41J7/02
代理机构
代理人
主权项
地址
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