000			00456nam a2200181Ia 4500
005			20250220125156.0
008			250220s9999||||xx |||||||||||||| ||und||
020			_c30
040			_aMAIN
041			_aEnglish
082			_a660 _bBHA
100			_aBhattacharyya, D. P.
245			_aApplied science (Chemistry)
260			_aCalcutta _bTechnical teachers' Training Institute _c1978
300			_a146p.
650			_aChemical engineering
942			_cBK
999			_c23383 _d23383