About DOPPERT H L
About ENKA b.v., Holland
About SCHUILENBURG J K
About ENKA b.v., Holland
About 5th International Dissolving Pulps Conference, 1980
About polymer coagulant
About Chemical treatment of water
About Other polymeric materials
About Other properties and test
About 全合成
About 凝集剤
About セルロース誘導体