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经营范围
发明名称
Ash tray
摘要
申请公布号
US2272697(A)
申请公布日期
1942.02.10
申请号
US19380232911
申请日期
1938.10.03
申请人
FREI JR JOHN
发明人
JR. JOHN FREI,
分类号
A24F19/12
主分类号
A24F19/12
代理机构
代理人
主权项
地址
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