Generators; generators for the production of oxygen for the aquaculture industry; compressors; compressors for gases; air compressors; filtering machines and filtering plants, including for filtering methane; filters [parts of machines and installations]; parts and fittings for the aforesaid goods, not included in other classes; generators for the production of oxygen, nitrogen, biogas and hydrogen for the aquaculture.;
Wastewater purification plants, water purification machines and water purification apparatus; water purification filters; filter boxes for water purification; plants, machines and apparatus for drying, including adsorption-dryers; parts and fittings for all the aforesaid goods, not included in other classes; generators for the production of oxygen, nitrogen, biogas and hydrogen, and including generators that produce oxygen, nitrogen, biogas and hydrogen based on PSA (pressure swing adsorption) technology or membrane technology; generators for the production of oxygen, nitrogen, biogas and hydrogen for the oil and gas, ozone, mine, agricultural and food industries; plants for production of oxygen, nitrogen and hydrogen containing compressors, generators and filtering machines.;
Repair, installation and maintenance of generators, compressors and plants for the production of oxygen, nitrogen, biogas and hydrogen containing compressors, generators and filtering machines, filtering machines, water purification machines and water purification apparatus as well as of plants, machines and apparatus for drying.;