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发明名称
Multiple copy typewriting machine
摘要
申请公布号
US2557067(A)
申请公布日期
1951.06.19
申请号
US19470772785
申请日期
1947.09.08
申请人
RECONSTRUCTION FINANCE CORPORATION
发明人
ATWOOD HARRY D.
分类号
B41J35/30
主分类号
B41J35/30
代理机构
代理人
主权项
地址
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