Description: describes the 2nd stage of a three-stage product hierarchy; Name: manufacturer product family
Description: 2nd level of a 3 level manufacturer specific product hierarchy; Name: Manufacturer product family
Description: a specific design within the context of a type, which is generally characterized by its dimensions. A construction can comprise several design (variants), which generally vary in terms of mechanical details; Name: Construction form of the seal surface, connection, muff A1