75439124
Feb 23, 1998
Mar 25, 2003
Energy systems composed of machines, engines, turbines and electric generators for power generation; rehabilitation systems of energy systems composed of machines, engines, turbines and generators of electricity
MachineryElectric apparatus composed of amp meter, voltmeter, wattmeter, varmeter, power meter, electricity meter, programmable logic controller, computer control and monitoring units, electric cables; rehabilitation systems for energy systems composed of electricity meters and electric cables
Electrical and Scientific ApparatusRehabilitation systems of energy systems composed of heating boilers and heaters; power plants generating electricity
Environmental Control Apparatus