00427nam a22001457a 450000500170000000800410001704000100005808200240006810000190009224500540011126000560016530000110022150000250023265000240025720200107022318.0200107b           ||||| |||| 00| 0 eng d  cGSLRC  aFIL 604.2 T636 1999  aTorres, Hermis  aBasic handbook in drafting /bHermes M. Torres.    aManila : bSaint Bernadette Publications,cc1999.    a106p.   aIncludes glossary 

  2Mechanical drawing