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Germany Knight is the world's first inventor of single-screw pump Warren located in Massachusetts, USA, invented the world's first twin-screw pump in 1890 Houttuin company in the Netherlands, in 1929 invented the first European twin-screw Pump three screw pump invented and manufactured in 1931 by the Swedish IMO company has a history of 153 Borumann, in 1934 designed and manufactured the world's first external bearing twin screw pump was built in 1956, the Tianjin Pump Group It is the birthplace of China's first screw pump and marine centrifugal pump.
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