000 00274nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.2
100 _aK. L. NARAYANA
245 0 _aTB OF ENGINEERING DRAWING
260 _bSCITECH
365 _b195.00
942 _cBTECH
999 _c131715
_d131715