CPV code 71317100 designates Fire and explosion protection and control consultancy services in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
71317100 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 71317000 (Hazard protection and control consultancy services).