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Hoffmann Slurry Pumps Hd

Rotary kinetic fluid motors or pumps class 415 fluid reaction surfaces i.E., impellers class 416 pumps class 417 rotary expansible chamber devices class 418 powder metallurgy processes class 419 alloys or metallic compositions class 420 chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing class 422.