000 00319nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c415
040 _aET
100 _aSen G.C.
245 0 _aPrincipal of Machine Tools
260 _bNew Central Book
_aKolkatta
300 _a954
500 _a60306
942 _cBK
999 _c66269
_d66269