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发明名称
Coffee grinder feed and control device
摘要
申请公布号
US2560826(A)
申请公布日期
1951.07.17
申请号
US19460646922
申请日期
1946.02.11
申请人
AMERICAN DUPLEX COMPANY
发明人
SCHUHMANN RICHARD L.
分类号
A47J42/50
主分类号
A47J42/50
代理机构
代理人
主权项
地址
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