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005 20260127065011.0
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040 _cZUFESTM-AFL
050 _aQD9 SIN
100 _aSingh, O. P.
_917288
245 _aPolytechnic applied chemistry-1 :
_bfor first year, engineering diploma students (1st semester)
260 _aNew Delhi :
_bS. K. Kataria,
_c2000.
300 _a268p.
700 _aMishra, Rahul
_917289
942 _2lcc
_cBK