91/75035 DC 标准详情
- 标准号:91/75035 DC
- 中文标题:
- 英文标题:Pre-insulated Bonded Pipe Systems For Underground Hot Water Networks - Joint Assembly For Steel Service Pipes, Polyurethane Thermal Insulation And Outer Casing Of High Density Polyethylene (pren 489)
- 标准类别:标准草案
- 发布日期: