000 00275nam a2200121Ia 4500
008 220821s2019 xx 000 0 eng d
100 _aJAIN, P. C.
245 0 _aENGINEERING CHEMISTRY
250 _a17
260 _bDHANPAT RAI
_c2019
300 _a1472
942 _2ddc
_cDIPLOMA
999 _c2863
_d2863