Restricted Tender With Public Participation Competition Vob/A Klein-Welzheim Sewage Treatment Plant, Seligenstadt, Expansion Of The Photovoltaic System As An Open-Space System With Battery Storage The Schleifbach Wastewater Association Intends To Tender And Award The Following Services: Expansion Of The Photovoltaic System At The Klein-Welzheim Sewage Treatment Plant Av Schleifbach Operates... More