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经营范围
发明名称
Extensible tray
摘要
申请公布号
US2620082(A)
申请公布日期
1952.12.02
申请号
US19500166090
申请日期
1950.06.05
申请人
HARMON EARL S
发明人
HARMON EARL S.
分类号
A47F5/00
主分类号
A47F5/00
代理机构
代理人
主权项
地址
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