process of obtaining electroluminescent compounds derived from the quinoxalinic nucleus, compounds obtained and organic light emitting diode using said compounds
BR102018068311A2
Thermal sensors for detection of hot points in electrical connectors of energy distribution systems
BR102017001132A2
TELECOMMUNICATION SIGNAL QUALITY MAPPING SYSTEM
BR102017000851A2
SMART SYSTEM FOR CONTROL OF DYNAMIC LOADING OF MEDIUM VOLTAGE SE'S OUTPUT AIRLINER DRIVERS FOR OPERATION IN EMERGENCY SITUATIONS
BR102016030151A2
double pipe chimney applied to solar chimney power generation system
BR102016028434A2
Constructive wind turbine provision applied to the solar chimney power generation system
BR102016015758A2
thermochromic sensor for electrical connectors
BR102012030140A2
LOW COST OVERLOAD LONG COST INDICATOR FOR AIR DISTRIBUTION TRANSFERS