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发明名称
Doughnut making apparatus
摘要
申请公布号
US2143353(A)
申请公布日期
1939.01.10
申请号
US19380191048
申请日期
1938.02.17
申请人
MASTER DOUGHNUT MACHINE COMPANY
发明人
KORPAN JOHN
分类号
A21C11/16
主分类号
A21C11/16
代理机构
代理人
主权项
地址
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