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020 _a817450494X
040 _cIITK
041 _aeng
082 _a540
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110 0 _aNCERT
245 0 _aChemistry [2pt]
_btext book for class XI
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260 _aNew Delhi
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300 _ax, 253p
650 _aChemistry
710 0 _aNCERT
942 _cBK
999 _c377000
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