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发明名称
FLOATING DEVICE FOR AERATING OR CIRCULATING A BODY OF LIQUID
摘要
申请公布号
GB1534209(A)
申请公布日期
1978.11.29
申请号
GB19770044372
申请日期
1977.10.25
申请人
RIGA INC
发明人
分类号
F04D13/06;(IPC1-7):B01F3/04;B01F5/10;B01F7/22
主分类号
F04D13/06
代理机构
代理人
主权项
地址
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