Supply, Installation And Commissioning Of Electromagnetic Flow Meters For Use On The Drinking Water Network Of The Oriental Region In 7 Lots: Lot 1: Province Of Berkane Lot 2: Province Of Nador Lot 3: Province Of Taourirt Lot 4: Province Of Driouch Lot 5: Province Of Guercif Lot 6: Jerada Prefecture Lot 7: Province Of Figuig