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经营范围
发明名称
Handy ash tray and emergency drinking cup
摘要
申请公布号
US1751463(A)
申请公布日期
1930.03.25
申请号
US19280301600
申请日期
1928.08.23
申请人
BACKUS
发明人
BACKUS JOHN CLAYTON;PIEROTTI WILLIAM L.
分类号
A24F19/00
主分类号
A24F19/00
代理机构
代理人
主权项
地址
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