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经营范围
发明名称
Typewriting machine
摘要
申请公布号
US1992174(A)
申请公布日期
1935.02.26
申请号
US19330689717
申请日期
1933.09.16
申请人
L C SMITH & CORONA TYPEWRITERS INC.
发明人
AVERY HENRY ALLEN
分类号
B41J19/18
主分类号
B41J19/18
代理机构
代理人
主权项
地址
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