[Class : 9] Measuring Or Testing Machines And Instruments. Power Distribution Or Control Machines And Apparatus. Electric Or Magnetic Meters And Testers. Telecommunication Machines And Apparatus. Electronic Machines, Apparatus And Their Parts[Class : 37] Construction Of Water And Sewer Facilities, Agency And Consultancy Of An Order Received Of Plant Construction. Construction, Provision Of Information In Relation To Construction Of Water And Sewer Faci I Ities. Consultation In The Field Of Plant Construction. Construction Consultation. Operation, Check Or Maintenance Of Building Equipment. Repair Or Maintenance Of Water Pollution Control Equipment. Repair Or Maintenance Of Chemical Plants. Repair Or Maintenance Of Water Purifying Apparatus, Repair Or Maintenance Of Feed Water Equipment[Class : 42] Design Of Water Supply And Sewerage. Architecture, Surveying, Design Of Water Treatment Plant. Design Of Water Treatment Equipment. Design Of Water Supply And Sewerage And Water Purifier Tank, And Consultation Related Thereto, Engineering Of Water Supply And Sewerage. Engineering Of Water Treatment And River Purification. Designing Of Machines, Apparatus, Instruments [Including Their Parts] Or Systems Composed Of Such Machines, Apparatus And Instruments. Computer Software Design, Computer Programming, Or Maintenance Of Computer Software Water Quality Testing. Provision Of Water Quality Information. Inspection For Drainpipes And Drain Ditches. Research On Building Construction Or City Planning Computer Program Services