[Class : 9] Measuring Apparatus And Optical Electronic Apparatus For The Treatment Of Air And Liquid Media As Well As For The Clean Room Technology, Including To Filtration.[Class : 11] Apparatus And Installations For Disinfection, Decontamination And Sterilization For Work Chambers, Containments And Premises Including The Contents Therein, In Particular For Hospitals And Laboratories, Production Plants, In Particular In The Pharmaceutical And Food Industry, Living Accommodations And Public Rooms, Including Hotels, And Vehicles Of Transportation; Installations And Apparatus For The Treatment Of Air And Liquid Media As Well As For Clean Room Technology, Including To Filtration, As Far As Included In This Class; Ventilation Apparatus.[Class : 37] Installation Services, Namely Commissioning And Functional, Performance And Qualification Test, Maintenance And Repair Of Work Chambers, Containments And Premises Including The Contents Therein As Well As Equipments Therefor For Disinfection, Decontamination And Sterilization, In Particular For Hospitals And Laboratories, Production Plants, In Particular In The Pharmaceutical And Food Industry, Living Accommodations And Public Rooms, Including Hotels, And Vehicles Of Tansportation.[Class : 42] Engineering Services In The Field Of Clean Room Technology; Development And Technical Planning Of Work Chambers, Containments And Premises Including The Contents Therein As Well As Equipments Therefor For Disinfection, Decontamination And Sterilization, In Particular For Hospitals And Laboratories, Production Plants, In Particular In The Pharmaceutical And Food Industry, Living Accommodations And Public Rooms, Including Hotels, And Vehicles Of Transportation.