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020 _a8187815760
041 _aEnglish
082 _a660
_bSII
100 _aSingh Adodhya
245 0 _aIndustrial Chemistry
_cAyodhya Singh
260 _aNew Delhi
_bCampus Books
_c2002
300 _a449
650 _aChemistry Technical
942 _cBK
999 _c15272
_d15272