Home / Standards / SN/T 0821-2011 SN/T 0821-2011 Abolished 进出口石油钻杆检验规程 Standard Type SN ICS N/A CCS N/A Status Abolished Issue Date 2011-09-09 Implementation 2012-04-01 Centralized Committee 国家质量监督检验检疫总局 Issuing Authority 国家质量监督检验检疫总局