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发明名称
Paper feeding mechanism for typewriters
摘要
申请公布号
US2506934(A)
申请公布日期
1950.05.09
申请号
US19470786657
申请日期
1947.11.18
申请人
ELENOR MILLER
发明人
MILLER ELENOR
分类号
B41J13/054
主分类号
B41J13/054
代理机构
代理人
主权项
地址
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