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Washing machine |
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Washing machine |
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2019-12-03 |
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2017-04-04 |
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Drum type washing machine |
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Robot cleaner with improved dust collector |
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Robot cleaner with improved dust collector |
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2014-01-14 |
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Wall-following robot cleaner and method to control the same |
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2013-06-04 |
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Robot cleaner with improved dust collector |
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2013-05-14 |
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Robot cleaner system having robot cleaner and docking station |
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Robot cleaner system having robot cleaner and docking station |
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Robot cleaning system and dust removing method of the same |
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2010-12-14 |
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Robot cleaning system |
Jun Hwa Lee, Jae Man Joo, Jae-Young Kwak, Gwan Woo Shin |
2008-08-19 |