Home / Standards / HG/T 2409-1992 HG/T 2409-1992 聚氨酯预聚体中异氰酸酯基含量的测定 聚氨酯预聚体中异氰酸酯基含量的测定 Standard Type HGT ICS 71.040.30 CCS G64 Status N/A Issue Date N/A Implementation N/A Responsible Dept 发布日期:1992-10-22 Drafting Unit N/A