7
Heat exchangers [parts of machines]; Centrifugal separators; Filtration machines, separators and centrifuges; Centrifuge separators for industrial use; Spare parts for industrial machines
11
Heat exchangers; Heat exchangers, other than parts of machines; Plate heat exchangers; Heat exchangers, other than parts of machines; Water purification installations; Water purifying apparatus and machines; Water purifying units for producing potable water; Provision of spare parts for use in relation to the following goods: Apparatus for lighting, heating, steam generating, cooking, refrigerating, cooling, drying, ventilating, water supply and sanitary purposes
37
services for the maintenance and repair of heat exchangers; Services for the repair of heat exchangers; Maintenance services in relation to the following goods: Heat exchangers; Installation services in relation to the following goods: Heat exchangers; Repair and maintenance of the following goods: Apparatus for heat transmission between fluids; Repair services in relation to the following goods: Apparatus for heat transmission between fluids; Maintenance services in relation to the following goods: Apparatus for heat transmission between fluids; Installation services in relation to the following goods: Apparatus for heat transmission between fluids