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The invention resides in a swimming pool pump which is able to operate at a low speed and a high speed, the pump automatically switched between the low speed and the high speed each time power is supplied to the pump.
The invention resides in a swimming pool pump which is able to operate at a low speed and a high speed, the pump automatically switched between the low speed and the high speed each time power is supplied to the pump.
A swimming pool pump
PALMER ROSS LESLIE (author)
2017-07-13
Patent
Electronic Resource
English