T/HNZX 002-2020 绿色设计产品评价技术规范可调式防沉降检查井盖

标准编号：T/HNZX 002-2020

中文名称：绿色设计产品评价技术规范可调式防沉降检查井盖

英文名称：Technical specification for green-design product assessment— Adjustable manhole cover for anti-sedimentation