
END-SUCTION CENTRIFUGAL PUMPS (RATING 16 BAR) - DESIGNATION, NOMINAL DUTY POINT AND DIMENSIONS
出版:Comite Europeen de Normalisation

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END-SUCTION CENTRIFUGAL PUMPS (RATING 16 BAR) - DESIGNATION, NOMINAL DUTY POINT AND DIMENSIONS
出版:Comite Europeen de Normalisation
专家解读视频