000 00276nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
082 _a621.815
_bTRI
100 _aTrikha, SN & Luthra, SP
245 0 _aDesign of machine drawing
260 _bDelhi : Jawarlal Ngr
942 _2ddc
999 _c72102
_d72102