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发明名称
Ledger tray
摘要
申请公布号
US2624343(A)
申请公布日期
1953.01.06
申请号
US19500146351
申请日期
1950.02.25
申请人
THE MCBEE COMPANY
发明人
WELK NELSON S.
分类号
B42F17/02
主分类号
B42F17/02
代理机构
代理人
主权项
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