A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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. 3395650vl
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. 3395650vl
A SWIMMING POOL PUMP
PALMER ROSS LESLIE (author)
2017-11-02
Patent
Electronic Resource
English