石油化工设备和管道化学清洗施工及验收规范(附条文说明)
Construction and acceptance specifications for chemistry cleaning of equipment and piping in petrochemical industry
2011-05-18
SH/T 3504-2014
石油化工隔热耐磨衬里设备和管道施工质量验收规范(附条文说明)
Acceptance specification for construction quality of equipment and piping with thermal insulating and abrasion resistant refractory lining in petrochemical industry