000 00247nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSURJIT SINGH
245 0 _aTB OF ENGG. DRAWING
250 _a2ND
260 _bDHANPAT RAI & CO.
942 _2ddc
999 _c98917
_d98917