31.001Level 531.00Manufacture of furniture31.00101Manufacture of special furniture for shops: counters, display cases, shelves, etc.31.00102Manufacture of office and workshop furniture, furniture for restaurants, schools, churches, etc.31.00103Manufacture of special furniture for shops: counters, display cases, shelves, etc. not in metal31.00104Manufacture of office and workshop furniture, furniture for restaurants, schools, churches, etc. not in metal31.00105Manufacture of office and workshop seats