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Harvey Norman Tech Expo @ Singapore Expo 24 - 26 Apr 2015 Samsung SR8980 Robotic Cleaner, Karcher RC 4.000 Robotic Cleaner, Miele Scout RX1 Robotic Cleaner, Electrolux Z931 Vacuum Cleaner, Karcher DS 6.000 Vacuum Cleaner, Electrolux ZB3013 Vacuum Cleaner, Dyson DC35 Animal Vacuum Cleaner, Philips FC7088 Vacuum Cleaner, Philips FC8451 Vacuum Cleaner, Bosch BSGL5PRO Vacuum Cleaner, Samsung VCMA18AV Vacuum Cleaner, Rowenta RO5445 Vacuum Cleaner, Bosch BGS5SILSG Vacuum Cleaner and Dyson DC38 Vacuum Cleaner