000 00300nam a2200121Ia 4500
008 220201s1976 xx 000 0 eng d
082 _a621.815
_bGUP
100 _aGupta,RB
245 0 _aMechanical Engineering Design & Drawing
260 _bDelhi:Satya Prakash
_c1976
300 _a688
942 _2ddc
999 _c80115
_d80115