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OUTLET PORTION OF VENTING SYSTEM FOR RELEASING GASES GENERATED IN SETTLING TANKS OF SMALL SEWAGE TREATMENT PLANTS, PREFERABLY FOR THOSE WITH A PEAT BED, IN PARTICULAR FOR INDIVIDUAL FARMYARDS OR AGRICULTURAL PRODUCTS AND FOOD PROCESSING PLANTS AS WELL AS SEWER SYSTEM SINK BASINS
OUTLET PORTION OF VENTING SYSTEM FOR RELEASING GASES GENERATED IN SETTLING TANKS OF SMALL SEWAGE TREATMENT PLANTS, PREFERABLY FOR THOSE WITH A PEAT BED, IN PARTICULAR FOR INDIVIDUAL FARMYARDS OR AGRICULTURAL PRODUCTS AND FOOD PROCESSING PLANTS AS WELL AS SEWER SYSTEM SINK BASINS