Electric measuring apparatus and instruments, namely, electric or electronic sensors for path-measuring, electric or electronic position sensors and electric or electronic speed detectors, all the foregoing for use in detecting and measuring linear, rotative or multi-dimensional movements with magnetic or electric effects

Electric measuring apparatus and instruments, namely, electric or electronic sensors for path-measuring, electric or electronic position sensors, electric or electronic speed detectors, all for use in detecting and measuring linear, rotative or multi-dimensional movements with magnetic or electric effects