[Class : 37] Providing Building Construction, Repair, Installation Services, Explanatory Note Class 37 Includes Mainly Services Rendered By Contractors Or Subcontractors In The Constructions Engaged In The Restoration Of Objects To Their Preservation Without Altering Their Physical Or Chemical Properties. This Class Includes, In Particular. Services Relating To The Construction Of Building Roads, Bridges, Dams Or Transmission Lines And Services Of Undertakings Specializing In The Field Of Construction Such As Those Of Painters, Plumbers, Heating Installers Or Roofers, Services Auxiliary Toconstruction Services Like Inspections Of Construction Plans; Services Of Ship Materials; Repair Services, I.E., Services Which Undertake To Put Any Object Into Good Condition After Wear, Damage, Deterioration Or Partial Destruction(restoration Of An Existing Building Or Another Object That Has Become Imperfect And Is To Be Restored To Its Original Condition); Various Repair Services Such As Those In The Fields Of Electricity, Furniture, Instruments, Tools, Etc., Services Of Maintenance For Preserving An Object In Its Original Condition Without Changing Any Of Its Properties (For The Different Between This Class And Class 40 See The Expanatory Note Of Class 40; Included All In Class No 37