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经营范围
发明名称
Aeration of liquids
摘要
申请公布号
US1823831(A)
申请公布日期
1931.09.15
申请号
US19270205529
申请日期
1927.07.13
申请人
KEYES HARMON E
发明人
KEYES HARMON E.
分类号
C22B3/00
主分类号
C22B3/00
代理机构
代理人
主权项
地址
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