Gears for machines; gears for air vehicles; gears for water vehicles; transmission gears for machines; gear units for machines; worm gears for machines; helical gear devices for industrial use; helical gear devices being parts of machines; gear train parts other than for land vehicles; shaft-mounted gear drives other than for land vehicles; stirrups in the nature of power transmission gear parts; speed change gears being parts of machines; gear sets for power transmission other than for land vehicles; power transmissions and gearing systems for machines other than for land vehicles; speed reducers [parts of machines]; reduction pinoins [parts of machines]; worm gear reducer devices; sprockets for water vehicle gears; gear drives for water vehicles; gear sets other than for land vehicles; gear units other than for land vehicles; gear drives other than for land vehicles; drive pinions for machines; cam sprockets; sprockets, other than for land vehicles; transmission shafts for machines; drive shafts for air vehicles; transmission shafts for water vehicles; machine wheels; gear wheels for machines; friction wheels for machines; toothed wheels for drive chains; toothed wheels being parts of machines.

Gearing for land vehicles; differential gears for land vehicles; rolling gearings for land vehicles; step-up gears for land vehicles; drive gears for land vehicles; gear wheels for land vehicles; gearbox casings for land vehicles; gear train parts for land vehicles; wheel sprockets; pinions for land vehicles; transmission shafts for land vehicles; rack and pinion steering for vehicles; toothed wheels for land vehicles; freewheel couplings for land vehicles; freewheel clutches for land vehicles; toothed wheels for land vehicle engines.

Repair and servicing of gears; repair and servicing of mechanical parts; repair and servicing of drive shafts, mechanical reducers, mechanical wheels, sprockets, racks.

Machining of parts for third parties; treatment of metal surfaces by means of precision grinding techniques; treatment of metal surfaces by precision grinding and abrasive polishing.

Technical studies; engineering studies; technical project studies.