SAND FILTRATION (WATER TREATMENT)
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BTWATER FILTRATION + WATER CENTRIFUGATION (WATER TREATMENT)
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UDC628.16.067.1
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Descriptor GERSANDFILTRATION (WASSERAUFBEREITUNG)
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Descriptor ENGSAND FILTRATION (WATER TREATMENT)
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Descriptor FREFILTRAGE AU SABLE (TRAITEMENT DE L'EAU)
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Variant GERFILTRATION/SANDFILTRATION (WASSERAUFBEREITUNG)
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Variant ENGFILTRATION/SAND FILTRATION (WATER TREATMENT)
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Variant FRETRAITEMENT DE L'EAU PAR FILTRAGE AU SABLE
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NTFILTER TUNNELS + FILTER WELLS + BANK FILTRATION (WATER TREATMENT)