000 00272nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.815
100 _aR. K. DHAWAN
245 2 _aA TB OF MACHINE DRAWING
260 _bS CHAND
365 _b190.00
942 _cBTECH
999 _c132810
_d132810