GRAVEL FILTERS + SAND FILTERS (WASTEWATER TREATMENT)
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BTSCREENING, GRIT REMOVAL AND GREASE REMOVAL (WASTEWATER TREATMENT)
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UDC628.334.1*1
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Descriptor GERKIESFILTER + SANDFILTER (ABWASSERBEHANDLUNG)
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Descriptor ENGGRAVEL FILTERS + SAND FILTERS (WASTEWATER TREATMENT)
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Descriptor FREFILTRES À GRAVIER + FILTRES À SABLE (TRAITEMENT DES EAUX USÉES)
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Variant GERKIESFILTER (ABWASSERBEHANDLUNG)
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Variant GERSANDFILTER (ABWASSERBEHANDLUNG)
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Variant GERFILTER/SANDFILTER, KIESFILTER (ABWASSERBEHANDLUNG)
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Variant ENGGRAVEL FILTERS (WASTEWATER TREATMENT)
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Variant ENGSAND FILTERS (WASTEWATER TREATMENT)
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Variant ENGFILTERS/SAND FILTERS, GRAVEL FILTERS (WASTEWATER TREATMENT)
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Variant FREFILTRES À SABLE (TRAITEMENT DES EAUX USÉES)