Description: alphanumeric character sequence assigned to a fabricated product, which allows the date, time and circumstances of fabrication to be traced; Name: Number of fabrication
Description: alphanumeric character sequence assigned to a fabricated product, which allows the date, time and circumstances of fabrication to be traced; Name: fabrication number
Description: Rated flow at the outlet area of the installation divided by the inlet area of the installation; Name: Mean rated velocity at outlet area of the installation