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 servocontrolled hydraulic pumps for machines; Hydraulic or pneumatic operating cylinders for machines 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; B...

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 for machines 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; ...