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发明名称
Device for aerating water
摘要
申请公布号
US2590581(A)
申请公布日期
1952.03.25
申请号
US19500142582
申请日期
1950.02.06
申请人
SHIRLEY DWIGHT W
发明人
SHIRLEY DWIGHT W.
分类号
A01K63/04;B01F3/04;B01F3/08;B01F5/06;B01F7/00;B01F7/02;F04D29/60
主分类号
A01K63/04
代理机构
代理人
主权项
地址
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