The Central Product Classification (CPC) is a product scheme classification used to extract statistics. It was a previous attempt to CPV. Authors of the linked data version:...

The Statistical classification of products by activity (CPA) is a product scheme classification used to extract statistics. It was a previous attempt to CPV. Authors: -Jose...

The Combined Nomenclature 2012 is a product scheme classification used to extract statistics. Authors: Jose María Alvarez Rodríguez & Jose Emilio Labra Gayo WESO-University...