Machines, mechanical conveyors, machine transport and conveyor belts, crushing machines, mechanical presses, mechanical pumps, engines and turbines, all the aforesaid goods being parts for biogas installations; combustion engines with coupled heat exchangers for electricity and heat generation, being complete units (combined heat and power plants); machine tools, couplings and power transmissions (other than for land vehicles), sparking-plugs, all the aforesaid goods being parts for biogas installations; parts and components for the aforesaid goods, included in this class

Repair and installation services, in relation to the following goods: biogas apparatus and machines, power machinery, energy production installations and machines