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发明名称
Typewriting machine
摘要
申请公布号
US1828755(A)
申请公布日期
1931.10.27
申请号
US19280318407
申请日期
1928.11.10
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
REPPERT RICHARD VON
分类号
B41J23/12
主分类号
B41J23/12
代理机构
代理人
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地址
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