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发明名称
Filter for coffee makers
摘要
申请公布号
US2495996(A)
申请公布日期
1950.01.31
申请号
US19450575965
申请日期
1945.02.03
申请人
THE SILEX COMPANY
发明人
JR. FRANK E. WOLCOTT,
分类号
A47J31/043
主分类号
A47J31/043
代理机构
代理人
主权项
地址
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