000 00274nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a604.3
100 _aR. K. DHAWAN
245 2 _aA TB OF ENGINEERING DRAWING
260 _bS CHAND
365 _b165.00
942 _cBTECH
999 _c132811
_d132811