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020 _c60
040 _aMAIN
041 _aEnglish
082 _a660
_bGUP
100 _aGupta, J. P. and Gupta, R. P.
245 0 _aSelected industrial chemicals
_b: second year diploma up mechanical, plant, production and automobile chemicals
260 _aDelhi
_b; Smll Business Publications
300 _a339p.
650 _aChemical Technology
942 _cBK
999 _c115661
_d115661