Home / Standards / GB/T 45129-2025 GB/T 45129-2025 Active Determination of strength for reinforcement yarn in cement 增强纱线在水泥中强度的测定 Standard Type GBT ICS 59.100 CCS Q23 Status 现行 Issue Date 2025-01-24 Implementation 2025-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A