Class 007: Machine and engine parts for filtering gas and for liquid hydrocarbons, namely suction filters, hydraulic filters, press filters, filter presses, ventilation filters, filter aggregates; filter cartridges for filters and filter aggregates, valves, flap valves, pressure reducers, stop valves, non-return valves, servo flap valves, distributing valves, pressure distributor-limiters, flow-control valves, electro -hydraulic servo-valves, proportional distributors, flow valves, pressure valves, proportional control valves; Class 009: Minimum pressure governors and pressure switches for use in machines that filter gas and liquid hydrocarbons; flow regulators for use with machines for filtering gas and liquid hydrocarbons; oil-level indicators, switches, oil gauges, high pressure manometers, universal feed units for hydraulic systems and components, namely assembly kits comprising compact hydraulic power packs, customized power packs, power units with oil immersed electric motor, customized control blocks; laser equipment for non-medical use, namely, detectors for technical fluids; Class 011: Filters and replacement parts therefor for gases and liquid hydrocarbons, namely oil, not for mechanical purposes but for use in the automotive, not being parts of motors or engines, and/or hydraulic industry