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BR0009190A
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Carapace block with rough surface
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Device for protecting a coastal region from the effects of swell and waves and method for producing and installing the said device
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ES407793A1
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ES403383A1
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Grinding apparatus
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Extractors for treatment appts - for liquids polluted with mud, sand, fibres
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Bearing assembly - for paddle assembly of water treatment plants etc
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Treatment appts - for water and polluted liqs
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Continuous brine mixing - in which mechanical agitation is eliminated concentration through salt bed
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Mixing unit - esp for aeration of waste water
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"leak-proof construction for tube-bundle - intermediate support wall"
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Nuclear reactor cooling construction
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