Home / Standards / GB/T 45644-2025 GB/T 45644-2025 Active Test method for resistance against surface and traffic loading of the thermoplastics inspection chamber 热塑性塑料检查井抗地面和交通负荷性能试验方法 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2025-04-25 Implementation 2025-11-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A