GB/T 41759-2022接地网降阻材料用缓蚀剂技术规范国家标准
英文:Technical specification of corrosion inhibitor for grounding grid resistance-reducing material GB/T 41759-2022介绍: 国家标...
英文:Technical specification of corrosion inhibitor for grounding grid resistance-reducing material GB/T 41759-2022介绍: 国家标...