12 Land Vehicle Engines and Parts Thereof as Well as Structural Parts for Motor Vehicles; Starters for Internal Combustion Engines for Land Vehicles; Water Lines, Air Coolers, Oil Coolers, Cooling Apparatus for the Removal of Waste Heat, Change-Speed Transmissions and Aggregates which Are Used in Conjunction with Internal Combustion Engines for Land Vehicles; Oil Centrifuges for Automotive Vehicles; Frames and Parts Thereof for Internal Combustion Engines, Intake Mufflers, Oil Filters and Air Filters for Automotive Use; Suction and Exhaust Pipes, Intake and Exhaust Manifolds, Fans, Fan Couplings, Blowers and Drives Therefor; Heatable Rear Windows, Lubricating Apparatus for Internal Combustion Engines and Parts Thereof, Transmissions for Land Vehicles and Parts Thereof; Fuel Supply Apparatus for Internal Combustion Engines and Parts Thereof, Pipe Lines of All Types, Exhaust Gas Systems and Components Thereof, Exhaust Gas Decontamination Systems and Parts Thereof, Engine Cooling Apparatus and Parts Thereof, Engine Brakes for Internal Combustion Engines and Parts Thereof, Automotive Mechanical and Hydrodynamic Brakes, Mechanical, Hydraulic and Electrical Clutches, Shiftable, Non-Shiftable and Elastic Couplings, Joint Couplings, Shaft Couplings and Coupling Parts; Mechanical, Automatic and Hydropneumatic Transmissions as Well as Combinations Thereof and Parts Thereof; Differential Gears and Parts Thereof, Vehicle Body and Frame Parts, Vehicle Bearing Supports and Plates, Driver Cabs, Chassis; Starters for Automobiles; Shifters and Parts Thereof, Pedals and Pedal Mounts and Parts Thereof, Metal, Rubber and Gas Spring Suspensions and Parts Thereof, Torsion Rods, Shock Absorbers, Axles and Parts Thereof, Starters and Parts Thereof, Wheels and Parts Thereof, Universal Joint Shafts and Parts Thereof; Vehicle Brakes, Engine and Trailer Brakes, Oil Pressure and Compressed Air Brakes, Brake Boosters, Brake Auxiliary Pumps, Air Brakes, Actuated by Hand or Foot, Brake Shoes, Brake Disks, Brake Drums, Brake Calipers, Brake Blocks, Brake Bearing Housings, Brake Carrier Plates, Friction Linings, Brake Linings and Hoses and Anti-Skid Units for Preventing the Blocking of Vehicle Wheels and Parts Thereof, Radiator Coverings, Grills, Threaded Connections, Vehicle Seats and Seat Parts Thereof, Vehicle Windows and Mechanical Window-Actuating Mechanisms, Windshields, Wall-, Roof- and Door-Coverings for Vehicles, Wall-, Roof- and Door-Insulation for Vehicles, and Vehicle Doors as Well as the Mechanical and Automatic Actuating Mechanisms Thereof, Central Locking Systems, Handles and Bearings, Instrument Panels, Signalling Horns, Glove Compartments, Engine Hoods, Rear and Luggage Space Covers, Fenders, Protective Sheet Metal Parts, Fender Aprons, Protective Grills, Mirrors for Automotive Use, Ash Trays, Sun Visors and Louvers, Luggage Nets, Luggage Carriers, Ski Holders, Windshield Washer Systems and Parts Thereof, Liquid Tanks, Windshield Systems and Parts Thereof, Bumpers and Bumper Supports, Bumper Guards, Vehicle Roofs of All Types, Mechanical and Electrical Sliding Roofs, Vehicle Tires, Suspension Ladders, Towing Mechanisms, Level Regulating Systems and Seat Covers Apparatus for Cooling Internal Combustion Engines, Electric and Heated-Air Window De-Icing Appartatus for Use in Land Vehicles