CPV code 42664000 designates Fusion equipment in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
42664000 sits under 42660000 (Soldering, brazing and welding tools, surface tempering and hot-spraying machines and equipment) and groups 1 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.