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Cleaning tap

by GUAN JIANCHAO
Year of Publication 18.09.2018
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Patent

Flush valve

by GUAN JIANCHAO
Year of Publication 09.03.2018
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Patent

Water inlet valve

by GUAN JIANCHAO
Year of Publication 02.01.2018
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Patent

Flushing valve

by GUAN JIANCHAO
Year of Publication 29.09.2017
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Patent