Description: alphanumeric depiction of the manufacturing process of a product regarding ist date, time and conditions of fabrication ; Name: number of production
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: difference between the total head at the outlet side of the pump and the total head at the inlet side of the pump; Name: lift circulating pump