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发明名称
Filter funnel
摘要
申请公布号
US2379101(A)
申请公布日期
1945.06.26
申请号
US19430511901
申请日期
1943.11.27
申请人
POST OTTO W
发明人
POST OTTO W.
分类号
主分类号
代理机构
代理人
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