DSI, Rheinberg. 31031100 (01/2017-..) Superphosphates containing by weight => 35 % of diphosphorus pentaoxide `P2O5` (excl. such products in tablets or similar forms, or in packages with a gross weight of <= 10 kg): Production sold 31031100 Mattress supports (including wooden or metal frames fitted with springs or steel wire mesh, upholstered mattress bases, with wooden slats, divans) /in 1000 p/st /Reporting Country: Austria.