CPV code 92312212 designates Services related to the preparation of training manuals in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
92312212 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 92312210 (Services provided by authors).