[ Metal gaskets; mechanical winches and winch cables made of metal, guide chains of metal, pipes made of metal ]

Mechanical building and ground-displacing tools in particular, boring machines, boring tools in the nature of directional dry and wet boring tools rammer boring tools, directional ground rockets, rammers, hydraulic equipment, hydraulic distance measuring devices, hydraulic pumps, hydraulic transformers; parts for hydraulic equipment, namely quick coupling boxes for use on supply tubes; apparatuses in the nature of a percussive or rotational underground progressing devices for destroying and replacing underground conduits; pipe thrusting devices in the nature of percussion machines; Devices and parts and accessories therefor, in particular, bodies, pistons for use in hydraulic devices as thrusting elements, pistons for use in hydraulic devices as steering elements, piston sliding rings, wire haulage lines and wire haulage connection pieces, boring heads, rotators for ground drilling equipment, pipe wrenches, traction heads, supply tubes, pipe nuts, driving motors, starters for motors and engines, mechanical winches and winch cables and guide chains of non-metal, valve blocks, straining sleds, dust caps for tubes and pneumatic conduits, boring rods, thrust and traction tubes flaring apparatuses, connection pipes, boring spears, transmission and orientation devices, namely, sondes, sensors, transmitters; and radio equipment

[ Control panels ]