Automatic swimming pool cleaners and parts therefor; Belts for farm vehicle machines; Dust filters and bags for vacuum cleaners; Internal combustion engine parts, namely, piston rings; Land vehicle parts, namely, spark plug wires; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Machine parts, namely, mechanical seals; Machine parts, namely, metal grounding bushings; Machine parts, namely, rollers coated with synthetic material; Machine parts, na...