00358nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001500079245006300094260004200157300000800199650001700207221030s9999    xx            000 0 und d  a8185749620  aEnglish  a105.23  aP. S. Gill 0aEngineering Drawing ( Geometrical Drawing )cby P. S. Gill  bS. K. Kataria & SonsaNew Delhic2012  a710  aBB Mechanics