| http://www.w3.org/ns/prov#value | - Cleaning equipment such as electrostatic dusters or equipment for vacuuming can be fixed to the top-hat so that the mobile robot functions as a cleaning robot....http://www.google.com/patents/US6938298?utm_source=gb-gplus-sharePatent US6938298 - Mobile cleaning robot for floorsAdvanced Patent SearchPublication numberUS6938298 B2Publication typeGrantApplication numberUS 10/168,433PCT numberPCT/NO20
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