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发明名称
Aerating device
摘要
申请公布号
US2603465(A)
申请公布日期
1952.07.15
申请号
US19500144753
申请日期
1950.02.17
申请人
FRED MALZACHER
发明人
MALZACHER FRED
分类号
B01F3/04;B01F13/02
主分类号
B01F3/04
代理机构
代理人
主权项
地址
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