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经营范围
发明名称
Method and device for automatic circulation in a waste water pump station
摘要
申请公布号
US4948342(A)
申请公布日期
1990.08.14
申请号
US19890443611
申请日期
1989.11.29
申请人
FLYGT AB
发明人
LANDQUIST, FOLKE
分类号
B01F5/02;B01F7/00;B01F15/02;E03F5/22;F04D13/16;F16K17/34
主分类号
B01F5/02
代理机构
代理人
主权项
地址
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