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发明名称
Typewriting machine
摘要
申请公布号
US1936738(A)
申请公布日期
1933.11.28
申请号
US19290499511
申请日期
1929.11.25
申请人
UNDER?
发明人
? JOHN
分类号
B41J17/00
主分类号
B41J17/00
代理机构
代理人
主权项
地址
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