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发明名称
Column printing attachment for record controlled machines
摘要
申请公布号
US2550786(A)
申请公布日期
1951.05.01
申请号
US19470728365
申请日期
1947.02.13
申请人
CURTIS LLOYD N
发明人
CURTIS LLOYD N.
分类号
B41J29/28
主分类号
B41J29/28
代理机构
代理人
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