000 00294 a2200145 4500
020 _a9788183714228
082 _a621.7:744 NAR
245 _aEngineering drawing
250 _a3/e
260 _bScitech
_c2012
300 _a875p
700 _aP Kannaiah
942 _cG
100 _aNarayana K L
999 _c2514
_d2514