PUMP AND WATER HEATER USING PUMP
PROBLEM TO BE SOLVED: To provide a miniaturizable circulation pump used in a water heater capable of improving its durability and reducing generation of noises, and a space-saving type water heater of low-noise and a long service life using the pump. SOLUTION: In this axial flow pump used in a water...
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Format: | Patent |
Sprache: | eng |
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