NVLD

Electrical, weighing, measuring, open-loop control, signaling and checking apparatus and instruments, namely, liquid and fuel level indicators and gas, liquid and fuel leakage indicators for automobiles; apparatus, devices and instruments for monitoring and self-regulation of the levels of liquids and fuels and for monitoring leakage of liquids and fuels; devices for detecting, locating and verifying stock changes of liquids and fuels in pipelines to determine if there is a leak; apparatus and instruments for conducting, switching, converting, storing, controlling and checking electricity; data processing programs