SEMI-PROCESSED PLASTICS IN THE FORM OF HOLLOW FIBER MEMBRANES, FOR USE AS FILTERING MATERIALS IN THE MANUFACTURE OF WATER TREATMENT APPARATUS AND WASTE WATER TREATMENT APPARATUS; SEMI-PROCESSED PLASTIC IN THE FORM OF FILMS FOR USE AS A FILTERING MATERIAL; SEMI-WORKED SYNTHETIC PLASTIC AS SEMI-FINISHED PRODUCTS IN THE FORM OF FOAMS FOR USE AS A FILTERING MATERIAL; PLASTIC SEMI-WORKED PRODUCTS, NAMELY, HOLLOW FIBER PLASTIC INSULATING WATER PROOFING MEMBRANES; SEMI-PROCESSED PLASTICS FOR USE AS FILTERING MATERIAL
Rubber Goods