Metadata
Author: patents-wipo
Data
English[en]
Production method for high-purity calcite and ammonium sulphate by using gypsum
French[fr]
Procédé de production de calcite et de sulfate d'ammonium très purs au moyen de gypse
Korean[ko]
석고를 이용한 고순도 황안 및 방해석의 제조 방법