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发明名称
CONTROL SYSTEM FOR THE PUMP OF A WATER-HEATING PLANT
摘要
申请公布号
GB8927131(D0)
申请公布日期
1990.01.31
申请号
GB19890027131
申请日期
1989.11.30
申请人
JOH VAILLANT GMBH U CO
发明人
分类号
F04D15/00;F24D19/10
主分类号
F04D15/00
代理机构
代理人
主权项
地址
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