Improvements introduced in a joint formed by a wrapper and a tapered base containing a sliding gate mechanism, applied to wash and drain a siphon-free toilet
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Mechanical device for toilet drainage
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Improvements made to the outflow applied to the sanitary basin
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Toilet flush system with water-saving mechanism
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Anti-contaminant device applied as a carboy nozzle coating
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Sealing device applied as sanitary flush
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Improvement introduced in an automatic device applied to the sanitary flush
