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发明名称
Carriage control of ribbon shift mechanism
摘要
申请公布号
US1875913(A)
申请公布日期
1932.09.06
申请号
US19290393105
申请日期
1929.09.16
申请人
ELLIS ADDING TYPEWRITER COMPANY
发明人
BERNAU FREDERICK W.
分类号
G06C11/04
主分类号
G06C11/04
代理机构
代理人
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地址
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