埋地钢质管道外防腐层和保温层现场补口补伤施工及验收规范(附条文说明)
埋地钢质管道外防腐层和保温层现场补口补伤施工及验收规范(附条文说明)
Specification for application and acceptance of field joint coating and repair of coating and repair of coating defects on external anti-corrosive and thermal insulated coatings for buried steel pipeline
发布日期：1993-03-27
实施日期：1993-09-01