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发明名称
Improvements in or relating to devices on typewriters for the production of copies by means of auxiliary ink ribbons
摘要
申请公布号
GB449389(A)
申请公布日期
1936.06.25
申请号
GB19360001939
申请日期
1936.01.21
申请人
ERNEST DANNER
发明人
分类号
B41J35/22
主分类号
B41J35/22
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代理人
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