Pistons for cylinders, cylinder liners, hydraulic valves [parts of machines], hydraulic pumps, servo-controlled hydraulic pumps, hydraulic or pneumatic operating cylinders, for example lifting jacks and printing cylinders; work cylinders and hydro-pneumatic accumulators; hydropneumatic storage units being machine parts; stoppering machines, barrier apparatus, control mechanisms being parts of machines, in particular for hydraulic and pneumatic installations; hydraulic and pneumatic control un...

Pistons for use in hydraulic cylinders; Cylinder liners being parts of hydraulic machines and hydraulic cylinders; Hydraulic control valves being parts of machines; Hydraulic pumps and servo-controlled hydraulic pumps for machines; Hydraulic or pneumatic operating cylinders in the nature of lifting jacks and printing cylinders; Hydraulic work cylinders and hydro-pneumatic accumulators being parts of machines; Hydropneumatic energy storage units being parts of hydraulic machines; Bottle stoppe...