GB/T 37589-2019钢制管道及管件内衬氟塑料耐蚀作业技术规范国家标准
英文:Technical specification for anticorrosion of steel pipe and fitting lining with fluoroplastics GB/T 37589-2019介绍: 国家标...
英文:Technical specification for anticorrosion of steel pipe and fitting lining with fluoroplastics GB/T 37589-2019介绍: 国家标...