Home / Standards / GB/T 18621-2002 GB/T 18621-2002 Abolished Design regulation on greenhouse ventilation andcooling 温室通风降温设计规范 Standard Type GBT ICS 65.040.30 CCS P85 Status 废止 Issue Date 2002-01-16 Implementation 2002-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A