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发明名称
Doughnut machine
摘要
申请公布号
US1909449(A)
申请公布日期
1933.05.16
申请号
US19280319244
申请日期
1928.11.14
申请人
WALTER BELSHAW
发明人
BELSHAW WALTER
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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