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- [8] Energy savings from pump impeller trimming ASHRAE JOURNAL-AMERICAN SOCIETY OF HEATING REFRIGERATING AND AIR-CONDITIONING ENGINEERS, 1998, 40 (04): : 60 - 64
- [10] WASTE HEAT RECYCLING PUMP PROMISES GREAT ENERGY SAVINGS BUSINESS JAPAN, 1980, 25 (09): : 95 - 95