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发明名称
Follower for filing compartments
摘要
申请公布号
US2501491(A)
申请公布日期
1950.03.21
申请号
US19460686661
申请日期
1946.07.27
申请人
RECORD FILES, INC.
发明人
BENO GEORGE M.
分类号
B42F17/02
主分类号
B42F17/02
代理机构
代理人
主权项
地址
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