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经营范围
发明名称
Typewriting machine
摘要
申请公布号
US1881462(A)
申请公布日期
1932.10.11
申请号
US19290389413
申请日期
1929.08.30
申请人
L C SMITH & CORONA TYPEWRITERS INC.
发明人
GABRIELSON CARL;WAUCQUEZ CHARLES
分类号
B41J13/20
主分类号
B41J13/20
代理机构
代理人
主权项
地址
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