f , Pf O 0 bf, Fb o747f, 5 O, 18 0,18 TbAN60fN, nS !,m2 U, nZLbB 5, V Hn, “1TbAN60fN 1Vvf, Vlf, P 1F,9ZLby7y 0y, g , (6 2 g9 _ , 6 2 250001) B V 3, X$ SEp Y ,i$ tX M 6 t byN,s V9 yi %,A+Y M1bYV_ |,?C V( )9 #252# Industrial Measurement 2001 Supplementary Issue9 k METROLOGY TEST TECHNOLOGY