MACHINE DRAWING.
BHATT, N. D.
MACHINE DRAWING. - 46th ed. 2011 - INDIA CHAROTAR PUB. HOU. - 350
  MACHINE DRAWING
604.2.2 / BHA
MACHINE DRAWING. - 46th ed. 2011 - INDIA CHAROTAR PUB. HOU. - 350
  MACHINE DRAWING
604.2.2 / BHA