CPV code 16613000 designates Machines for cleaning, sorting or grading seed, grain or dried vegetables in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
16613000 is a leaf code — the most specific level of its branch — so it can be used directly as the main CPV code of a contract notice. If it does not quite fit, check the neighbouring codes under 16610000 (Machines for cleaning, sorting or grading eggs, fruit or other produce).