Industrial blowing engines; industrial blowers namely power-operated blowers; compressors as parts of machines; vacuum pumps for machines; controlled volume pumps; filters being parts of machine intended for the manufacturing industry; machines; filters for cleaning cooling air, for engines; reversible flow filters being parts of machines; vacuum control valves being parts of machines; clack valves being parts of machines; valves for pumps; valves, mechanical, for regulating fluid flow; suction valves for gas compressors; pump control valves; safety valves being parts of machines; exhaust silencers for engines; intake manifolds being parts of machines; spin dryers, not heated; dosing valves as parts of machines; machines for use in the processing of water; diaphragm pumps for pumping liquid material; diaphragm pumps for pumping semi-liquid material; hydraulic pumps; agitators for circulating liquid media; hydro-pneumatic accumulators namely hydraulic accumulators being parts of machines