Description: unique and unambiguous combination of letters and/or numbers that distinguishes a product from products of a different manufacturing process; Name: Supplier batch number
Description: unique combination of numbers and letters that distinguishes a product from other products of a different fabrication process; Name: batch number from supplier
Description: pump H(Q) curve where the maximum head and shut-off head are coincidental, and the total head declines continuously as the rate of flow increases; Name: Pump H(Q) curve