000 nam a22 7a 4500
999 _c15335
_d15335
020 _a9788121903592
082 _a540
_bDAR
100 _aDARA S.S
245 _aTEXT BOOK OF ENGINEERING CHEMISTRY
250 _a12TH
260 _aNEW DELHI
_bS.CHAND AND CO
_c2017
300 _a972
_bP.B
700 _aUMARE S.S
942 _cLEN_BK