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- [4] State of Development and Trends in the Design of Centrifugal Dust Separators. Staub, Reinhaltung der Luft, 1972, 32 (09): : 349 - 353
- [5] TRENDS IN DEVELOPMENT OF CENTRIFUGAL PUMP CONSTRUCTION PUMPS AND THEIR APPLICATIONS, 1971, (57): : 255 - &