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发明名称
Typewriting machine
摘要
申请公布号
US2392276(A)
申请公布日期
1946.01.01
申请号
US19430513939
申请日期
1943.12.11
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
REPPERT RICHARD VON
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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