CPV code 42641300 designates Machine tools for working concrete in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
42641300 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 42641000 (Machine tools for working stone, ceramics, concrete or glass).