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: ten times the logarithm to the base 10 of the ratio of the sound power of a source, p, to a reference value, p0, expressed in decibels; Name: sound output level