CPV code 31712100 designates Microelectronic machinery and apparatus in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
31712100 sits under 31712000 (Microelectronic machinery and apparatus and microsystems) and groups 1 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.