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| Entry |
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| Roborock E5 Mop Robot Vacuum Cleaner (on-line), date first available Apr. 9, 2021. Retrieved from Internet May 20, 2022, URL: https://www.amazon.com/Roborock-E5-Mop-Self-Charging-Connected/dp/B091Y9745N?th=1 (6 pages) (Year: 2021). |
| Roborock E5 Review—Best budget robot vacuum for seniors in 2021 (on-line), dated Sep. 27, 2021. Retrieved from Internet May 20, 2022, URL: https://robotobzor.com/reviews/roborock/roborock-e5.html (1 page) (Year: 2021). |
| Robot Vacuums, iRobot Roomba, Roomba 800 series, p. 18, (JPO design division publicly known data No. HC26004837), with English Translation. 4 pages, downloaded Aug. 3, 2021. |