PRETRONIC

Valves being parts of machines; [ clack valves being parts of machines; pressure valves being parts of machines; pressure reducers being parts of machines; ] pressure regulators being parts of machines; pressure regulating apparatuses, namely, pressure regulating valves being parts of machines; regulators being parts of machines [ ; feedwater regulators being parts of machines ]

Automatic pressure control machines; automatic pressure control instruments; pressure regulating apparatuses, namely, automatic valves; flow rate control apparatuses, namely, flow regulators for commercial use; [ automatic regulating machines and instruments, namely, temperature sensors, pressure sensors, and flow sensors; ] automatic regulating instruments, namely, automatic flow regulators for commercial use; automatic regulating instruments, namely, valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines; [ electrical measuring devices, namely, technical measuring instruments for measuring the temperature, pressure, quantity and concentration of gas and liquids; ] electronic valves for controlling gas and liquid; electro-magnetic valves for controlling gas and liquid [ ; technical measuring instruments for measuring the temperature, pressure, quantity and concentration of gas ]