CPV code 22520000 designates Dry-etching equipment in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
22520000 sits under 22500000 (Printing plates or cylinders or other media for use in printing) and groups 1 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.