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发明名称
Typewriting machine
摘要
申请公布号
US2127812(A)
申请公布日期
1938.08.23
申请号
US19360115335
申请日期
1936.12.11
申请人
L. C. SMITH & CORONA TYPEWRITERS, INC.
发明人
GABRIELSON WILLIAM ALFRED
分类号
B41J3/24
主分类号
B41J3/24
代理机构
代理人
主权项
地址
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