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发明名称
Coffee grinder
摘要
申请公布号
US2900140(A)
申请公布日期
1959.08.18
申请号
US19570650278
申请日期
1957.04.02
申请人
AMERICAN DUPLEX CO.
发明人
SCHUHMANN RICHARD L.;ZEHNDER LOUIS R.
分类号
A47J42/40
主分类号
A47J42/40
代理机构
代理人
主权项
地址
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