poly

• Study on absorption of cu2 by - poly glutamic acid
  多聚谷氨酸吸附铜离子的研究
• Standard specification for poly vinyl chloride sheet roofing
  聚氯乙烯屋面板标准规范
• Used batch - poly plant description polyester polymerization
  二手装置描述聚酯聚合
• Pvc - u unplasticized poly vinyl chloride pipes for water supply
  给水用未增塑聚氯乙烯
• Study on a fungus capable of degrading poly - hydroxybutyrate
  羟基丁酸酯的真菌的研究
• Poly vinylacetate emulsion adhesives for woods
  木材用聚醋酸丁烯酯乳胶粘合剂
• Pvc specification for poly vinyl chloride gasketed sewer fittings
  带密封垫的聚氯乙烯
• Synthesize and application of poly aluminum ferric chloride
  的合成及其应用
• Unplasticized poly vinyl chloride pipe fittings for drain
  排水用未增塑聚氯乙烯管配件