Apparatus for the control of machines (pneumatic or hydraulic); control valves being hydraulic apparatus; gear boxes for hydraulic transmissions (other than for land vehicles); hydraulic accumulators; hydraulic cylinders (machines or parts of machines); process control units (hydraulic); apparatus for controlling the operation of machines (hydraulic); control valves being hydraulic apparatus; couplings of metal for hydraulic apparatus; digital electro-hydraulic proportioning valves; hydraulic accumulators; hydraulic actuators; hydraulic circuits for machines; hydraulic connectors (pipes) being parts of machines; hydraulic connectors (pipes) being parts of motors (other than for vehicles); hydraulic control apparatus for industrial machines; hydraulic control apparatus for machines; hydraulic control apparatus for motors; hydraulic control devices for machines; hydraulic control installations; hydraulic control modules; hydraulic control operating apparatus; hydraulic control systems for machines; hydraulic control valves; hydraulic cylinders (machines or parts of machines); hydraulic door openers and closers (parts of machines); hydraulic door operating equipment; hydraulic drive installations; hydraulic fluid accumulators; hydraulic lifting machines; hydraulic motors; hydraulic pumps; hydraulic rams; hydraulic servo valves being parts of machines; hydraulic transmissions, other than for land vehicles; hydraulic valves; hydraulic valves (parts of machines); hydraulic valves for regulating fluid streams; hydraulic valves for shutting off; non-metallic hoses for use in hydraulic systems in machines; servo-controlled hydraulic pumps