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经营范围
发明名称
Aeration apparatus
摘要
申请公布号
US2151126(A)
申请公布日期
1939.03.21
申请号
US19360092354
申请日期
1936.07.24
申请人
发明人
分类号
B01F3/04;B01F7/00;B01F7/28;B01F15/00;C02F3/20;C12M1/06
主分类号
B01F3/04
代理机构
代理人
主权项
地址
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