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发明名称
ANORDNUNG ZUR MESSUNG DES PUMPENWIRKUNGSGRADES IN EINEM GESCHLOSSENEN SYSTEM
摘要
申请公布号
DD276708(A1)
申请公布日期
1990.03.07
申请号
DD19880321452
申请日期
1988.11.04
申请人
VEB WASSERVERSORGUNG UND ABWASSERBEHANDLUNG COTTBUS,DD
发明人
GRIMM,VOLKER,DD;SCHADOW,MANFRED,DD
分类号
F04D15/00;(IPC1-7):F04D15/00
主分类号
F04D15/00
代理机构
代理人
主权项
地址
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