Home / Standards / GB/T 20497-2006 GB/T 20497-2006 Active Guidelines for quarantine surveillance on imported forage and turfgrass seeds 进口牧草草坪草疫情监测规程 Standard Type GBT ICS 65.020.20 CCS B05 Status 现行 Issue Date 2006-09-18 Implementation 2007-03-01 Responsible Dept 农业农村部 Drafting Unit N/A