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020 _a8185749477
041 _aEnglish
082 _a105.23
_bSud
100 _aD. Sud ( PR )
245 0 _aComprehensive Engineering Chemistry ( PR )
_cby D. Sud ( PR )
260 _bS.K.Kataria & Sons
_aNew Delhi
_c2000
300 _a451
650 _aChemistry
942 _cBK
999 _c7071
_d7071