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发明名称
Typewriting machine
摘要
申请公布号
US2315693(A)
申请公布日期
1943.04.06
申请号
US19400367710
申请日期
1940.11.29
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
DODGE RONALD D.;WOOD JESS EARL
分类号
B41J7/24
主分类号
B41J7/24
代理机构
代理人
主权项
地址
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