00327nam a2200121Ia 4500008004100000041000800041082001400049100001800063245002900081250001200110260005600122650002700178230711s9999||||xx |||||||||||||| ||und||  aENG  a620bNE-M  aNelson,Carl A 0aMechanical trades pocket  a1st Ed.  c1985aBombaybD. B. Taraporevala Sons & Co. Pvt.Ltd  aMechanical Engineering