U.S. Govt.
the federal agency that establishes the standards for units used in measuring the physical properties of substances. Abbr.: NBS, N.B.S.
U.S. Govt.
the federal agency that establishes the standards for units used in measuring the physical properties of substances. Abbr.: NBS, N.B.S.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012