Home / Standards / SY/T 5074-2012 SY/T 5074-2012 Active 钻井和修井动力钳、吊钳 Standard Type SY ICS N/A CCS N/A Status Active Issue Date 2012-01-04 Implementation 2012-03-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局