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发明名称
Typewriting machine
摘要
申请公布号
US2023487(A)
申请公布日期
1935.12.10
申请号
US19330690301
申请日期
1933.09.21
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
PITMAN HENRY L.
分类号
B41J35/14
主分类号
B41J35/14
代理机构
代理人
主权项
地址
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