7
Building and mining machines and their components, particularly mining/winning machines including shearer loader, motors and driving means for mining machines including toothed racks, pinion racks and sprocket wheels; cutter heads; control devices por support systems; control systems and control devices for mining machines as drum shearer; powered devices for directing and positioning of underground winning machines and parts thereof; guide means as a part of mining machines; shearer guidances; guidances for chains and driving bars; chain guidances for coal augers and shearer; electric and electrohydraulic hoselines; round shanked bits, cutting discs, bits holder; electrical drive motors as asynchronous motors and motors with frequency inversion, hydraulic and pneumatic motors, gear boxes, clutches, torque overload, brake heads, brake linings, brake shoes and pumps; hydraulically, pneumatically, electrically and piezoelectrically controlled valves as well as electro-hydaulic control instruments for hydraulic working machines; powered devices with spray nozzles for dust control by means of water including parts thereof; power-driven winches, reels
9
Identification apparatus and equipment for people and objects; equipment and apparatus for speech input and output and for voice recognition; devices for safety-related communication systems in explosion hazardous areas as mine ventilation systems
11
Valves, namely control valves, directional control valves, return valves, cut-in and cut-out valves, pressure regulation valves, shut-off valves, emergency trip valves, shuttle valves, mixing valves, bleed valves, overflow valves, safety valves, throttle valves, restrictor valves, regulating valves, solenoid valves, selector valves, hydraulic valves, pneumatic valves, push-button valves, electromagnetically, electronically, hydraulically and/or pneumatically controlled valves; filters for filtering hydraulic fluids