[Class : 7] Heat Exchangers As Parts Of Machines; Heat Exchangers As Parts Of Engines And Motors, Not For Land Vehicles; Heat Exchangers As Parts Of Transmissions, Not For Land Vehicles; Heat Exchangers As Parts Of Gearboxes Not For Land Vehicles; Heat Exchangers As Parts Of The Fuel Supply Device For Engines And Motors; Heat Exchangers As Parts Of Lubrication Device, As Parts Of Machine; Heat Exchangers As Parts Of The Cooling Device For Engines And Motors.[Class : 11] Heat Exchangers Other Than Parts Of Machines; Heat Exchangers For The Removal Of Exhaust Gases; Ventilators For Heat Exchangers; Heat Exchangers For Chemical Processing.[Class : 12] Heat Exchangers As Parts Of Engines And Motors, For Land Vehicles; Heat Exchangers As Parts Of Transmissions, For Land Vehicles; Heat Exchangers As Parts Of Gearboxes, For Land Vehicles.