gypsum

• Up to 5 % of gypsum can be added to cement products
  水泥成品中最多可以添加5的石膏。
• Gypsum blocks - definitions , requirements and test methods
  石膏块.定义要求和试验方法
• Production potassium sulfate with potassium - gypsum method
  钾石膏法生产硫酸钾的工艺研究
• Gypsum ceiling board ; slabs with bulged edge on the reverse
  石膏天花板.背面带凸缘的板块
• Gypsum blocks - definitions , requirements and test methods
  石膏块材.定义要求和试验方法
• New access to the multiple utilization of gypsum
  开辟石膏综合利用新途径
• Standard specification for gypsum veneer plaster
  石膏饰面板的标准规范
• Standard specification for gypsum keene ' s cement
  石膏金氏水泥标准规范
• Standard specification for nails for the application of gypsum board
  石膏板用钉的标准规范
• Accessories for use with gypsum plasterboards ; dry wall screw
  石膏板上使用的附件.板墙螺钉