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_a9788174093189 _qPB |
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_aUPES LIBRARY _bEnglish |
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| 082 |
_a660.1 _bGUP |
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| 100 |
_aGupta, O.P. _93115 |
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| 245 | _aObjective type questions and answers in chemical engineering | ||
| 250 | _a9th ed. | ||
| 260 |
_bKhanna, _aNew Delhi : _c2022 |
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| 300 | _a943p. | ||
| 650 |
_aChemical engineering _9770514 |
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| 942 | _cBK | ||
| 999 |
_c825740 _d825740 |
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