00481nam a2200133Ia 4500008004100000040001700041082002500058100001500083245015100098250000800249260002700257300001000284650005300294190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta621.815bG977T  aGupta, R B 2aA Text book of machine drawingbin first angle projection including third angle peojection also according to Bureau of Indian standardscR B Gupta  a7th  aNew DelhibSatyac1995  a791p.  aMachine design; Blue prints; Engineering drawing