appearance检测服务
- 检测分类 未定义
- 样品名称 Unplasticized polyvinyl chloride(PVC-U)structure wall pipeline system for underground soil waste and grainage-Part 3:Bilayer and hollow-wall construction with axial hollow pipes
- 检测项目 appearance
- 检测标准 Unplasticized polyvinyl chloride(PVC-U)structure wall pipeline system for underground soil waste and grainage-Part 3:Bilayer and hollow-wall construction with axial hollow pipesGB/T18477.3-2009