Machine-driven compressors and blowers for producing compressed air for pneumatic conveyance, for use in materials processing as well as for pneumatically operated control systems, apparatuses, tools and machines, for producing working air, for loading and unloading silo and tank vehicles, and for pressure boosting and gas lifting; compressor vacuum pumps for suction vehicles for producing vacuum and pressure; vacuum pumping stations substantially, consisting of vacuum generators with control and regulating mechanisms; compressors and blowers for pneumatic conveyance; apparatuses for the treatment of compressed air and gases, in particular filters, heat exchangers, tanks and heat recovery installations, all aforementioned goods being parts of machines, parts and accessories for the aforementioned goods, included in this class

Apparatuses for the treatment of compressed air and gases, in particular precoolers and driers