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发明名称
Typewriting machine
摘要
申请公布号
US2384017(A)
申请公布日期
1945.09.04
申请号
US19440524788
申请日期
1944.03.02
申请人
UNDERWOOD CORPORATION
发明人
DOBSON WILLIAM A.
分类号
B41J29/42
主分类号
B41J29/42
代理机构
代理人
主权项
地址
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