Home / Standards / GB/T 29401-2020 GB/T 29401-2020 Active Sulfur coated urea (SCU) 硫包衣尿素 Standard Type GBT ICS 65.080 CCS G21 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A