appearance(Rigid polyurethane cellular plastics used in the thermal insulation of building)
作者:百检网 时间:2021-12-01 来源:互联网
- 检测分类 未定义
- 样品名称 Rigid polyurethane cellular plastics used in the thermal insulation of building
- 检测项目 appearance
- 检测标准 《Rigid polyurethane cellular plastics used in the thermal insulation of building》 GB/T21558-2008