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经营范围
发明名称
Typewriting machine
摘要
申请公布号
US2093581(A)
申请公布日期
1937.09.21
申请号
US19350005731
申请日期
1935.02.09
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
THOMPSON RUSSELL G.
分类号
B41J29/26
主分类号
B41J29/26
代理机构
代理人
主权项
地址
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