Home / Standards / GB/T 40224-2021 GB/T 40224-2021 Active Plastic boxes used for rainwater infiltration,attenuation and storage 雨水渗透、调蓄、储存用塑料模块 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A