00301nam a2200121Ia 4500008004100000020001800041041000800059082001500067100001100082245005100093250001000144260002500154211209s2020    xx            000 0 und d  a9789353503086  aeng  a671.52 JEF  aJEFFUS  aWELDING: PRINCIPLES AND APPLICATIONS, 8E (PB)   a8 ed.  bCBS EXCLUSIVESc2020