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发明名称
Ash tray
摘要
申请公布号
US2520746(A)
申请公布日期
1950.08.29
申请号
US19460697479
申请日期
1946.09.17
申请人
LEO UMAN
发明人
UMAN LEO
分类号
A24F19/14
主分类号
A24F19/14
代理机构
代理人
主权项
地址
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