00497nam a2200181 a 450000500170000008200170001710000180003424500350005225000120008726000210009930000240012069000260014469000230017096400250019399700180021899900170023695200620025320251203091527.0  a006.696bOMU  aOmura, George  aMastering auto CAD; release 11  a4th ed.  aDelhi: BPBc1992  axxxiv,932p.c22 cm.  aComputer aided design  a<Computer science>  bENGc100de010fg_  a64245 LIBSC C  c43307d43307  00104070aPUbPUd1998-04-08l0o006.696 OMUp64245yBK