000 00317nam a2200133Ia 4500
008 221231s9999 xx 000 0 und d
100 _aGopalakrishna K R
_92795
245 0 _aEngineering Graphics  
260 _bSubhas Publication
260 _c1971
300 _a272
650 _aMechanical
_92796
942 _cBE_BK
999 _c2704
_d2704