00502nam a2200157Ia 4500008004100000082002100041100001800062245009200080250000600172260005200178300000800230650004100238650003400279653001300313653001800326170901s1984    xx            000 0 und d  a634.973321bS33C  aSharma, O. P. 0aChemisrty and TechnologybKatha (Catechin) and Cutc (Catechu Tannic acid) Manufacturing  a1  aDehradunbInternational Book Distributorsc1984  a303  aAgriculture and related technologies  aTechnology (Applied sciences)  aCatechin  aManufacturing