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发明名称
Record card holder
摘要
申请公布号
US1843484(A)
申请公布日期
1932.02.02
申请号
US19260107961
申请日期
1926.05.10
申请人
REMINGTON RAND INC.
发明人
HUTCHINGS LE ROI E.
分类号
B42F19/00
主分类号
B42F19/00
代理机构
代理人
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