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发明名称
Typewriting machine
摘要
申请公布号
US1803573(A)
申请公布日期
1931.05.05
申请号
US19280305175
申请日期
1928.09.11
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
REPPERT RICHARD VON
分类号
B41J23/04
主分类号
B41J23/04
代理机构
代理人
主权项
地址
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