7 Anti-pollution devices for motors and drives; filters in the form of machine components; air filters for motors and drives; filtering machines, motor parts, namely, separators and centrifuges; anti-pollution devices for motors and drives, namely, exhaust pipes and exhaust pipe systems for vehicles and vessels; catalytic converters for the exhaust gases of internal combustion engines; air filters, fuel filters, oil filters, filters for motor lubricating oil, filters for motor oils, filters for lubricants as brake grease; filters for liquid hydrocarbons in gears or motors; casings and supports for filters, all for motors; parts and accessories for the aforesaid goods, included in this class