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经营范围
发明名称
Food warmer
摘要
申请公布号
US2239500(A)
申请公布日期
1941.04.22
申请号
US19390308937
申请日期
1939.12.13
申请人
DUKE MANUFACTURING COMPANY
发明人
DUKE MARSH P.
分类号
A47J39/02
主分类号
A47J39/02
代理机构
代理人
主权项
地址
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