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发明名称
Doughnut maker
摘要
申请公布号
US2447182(A)
申请公布日期
1948.08.17
申请号
US19450595162
申请日期
1945.05.22
申请人
HUTCHINSON EMERSON J
发明人
HUTCHINSON EMERSON J.
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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