Apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity and signals, namely, electrical installations for remote control of construction operations; apparatus for recording, transmission and reproduction of sound or images, , namely, virtual reality headsets and augmented reality headsets; magnetic data media, namely, hard disk drives; sensors, in particular sensors for position determination, sensors for depth measurement, senso...

Mechanical construction equipment, in particular devices for renovation, demolition and replacement of underground pipes, namely, pile drivers, pipe driving presses, hydraulic stations consisting of hydraulic pumps, valve blocks, hydraulic converters, drive motors and starters; towing linkages for use with pipes and moles or earth rockets; towing heads for use with moles or earth rockets; spreading devices in the nature of a mechanical connecting device and structural parts for the above mach...