000 00295nam a2200109Ia 4500
008 220303s2019 xx 000 0 und d
041 _aeng
082 _a660 SHA/ Ind - I
100 _aSharma, B. K.
_9115570
245 _aIndustrial chemistry - I
260 _aMeerut
_bGoel publishing house
_c2019
999 _c123865
_d123865