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经营范围
发明名称
Device for distributing air, gas, or the like in liquids
摘要
申请公布号
US2637541(A)
申请公布日期
1953.05.05
申请号
US19510213152
申请日期
1951.02.28
申请人
发明人
分类号
A01K63/04;A61H33/02;B01F3/04
主分类号
A01K63/04
代理机构
代理人
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地址
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