6
Containers and tanks of metal; Valves of metal (other than parts of machines); Pipes and junctions therefor of metal; Flexible tubes of metal; Pipes, tubes, outlet pipes and tubes, ventilation pipes and tubes of metal; Leak monitoring systems, namely combinations of fluid lines and reservoirs of metal, in particular for seals, including double lip seals, between two fluids, including water and oil, on and for rotary shafts and for and in gear components, in particular of ship propulsion systems and controllers, and water vehicles, for the controlled drainage of leaks and for preventing leaks, in particular of water, into the gears and oil leaks into the water
9
Quantity indicators, namely level sensors and level limit switches, including mechanical level measuring devices, in particular with float gauges; Electric, Electromechanical, Electronic, Magnetic,Pressure-based, hydrostatic, Mechanical,Heat-based, Optical apparatus and instruments,Ultrasound, microwave and radar-based and radiometric limit monitors; Electrical and optical conduits; Alarm apparatus, Optical apparatus and instruments and Sound alarms; Switches and Switch contacts, parts thereof included in Class 9; Electrical apparatus for commutation and Relays; Signalling and data transmission devices, processing devices and storage devices, included in class 9; Leak monitoring systems, namely combinations of quantity indicators and alarm devices, in particular for seals, including double lip seals, between two fluids, including water and oil, on and for rotary shafts and for and in gear components, in particular of ship propulsion systems and controllers, and water vehicles, for detecting leaks and for preventing leaks, in particular of water, into the gears and oil leaks into the water
37
Installation, repair and maintenance of leak monitoring systems and seals, in particular of ship propulsion systems and water vehicles, technical operational and maintenance servicing of leak monitoring systems and seals, in particular of ship propulsion systems and water vehicles