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发明名称
Typewriting machine
摘要
申请公布号
US1781570(A)
申请公布日期
1930.11.11
申请号
US19270239491
申请日期
1927.12.12
申请人
ROYAL TYPEWRITIER COMPANY, INC.
发明人
DEGENER GUSTAVE O.
分类号
B41J35/10
主分类号
B41J35/10
代理机构
代理人
主权项
地址
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