00599nam a2200229Ia 4500003000900000005001700009008004100026020001500067040001000082050001800092100002200110245003700132245002500169250000800194260001300202260003600215260000900251300000900260650004100269650003700310650002200347KE-MeUCS20120121160153.0120305s9999    xx            000 0 und d  a0026763109  cMUCST  aTJ227.S6 1991  aSpence, William P  aDrafting technology and practice  cWilliam P. Spencea   a3rd  aNew york  bGlencoe, Macmillan/Mcgraw -Hill  c1991  a799p  aDraftmanship, mechanical engineering  aMechanical engineering, drafting  atechnical drawing