Machines for cooling lubricant technology; machines for cooling lubrication technology; machine tools; engines, not for land vehicles; machine coupling and transmission components (except for land vehicles); filters for machines; filters for motors and engines; filter systems [machines]; vacuum filter [machine parts]; scraper belt conveyor; hinge belt conveyor; conveyors [machines]; pressure boosting stations [machines]; return pumping stations [machines]; magnetic rollers [machine parts]; hy...