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020 _a9789352830688
040 _cSGVU Library
082 _222
_a540 DAS A
100 _aDara,S.S. and Umare, S.S.
_930661
245 _aA Textbook of Engineering Chemistry
260 _aS Chand and Company Limited
_bNew Delhi
_c2021
300 _bPB
_a249
650 _aChemistry
942 _cBOOKS
_k540 DAS A
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999 _c85322
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