Cathodic corrosion protection of fuel oil tank bottoms 金属腐蚀.非合金钢制燃料油罐底部的外加电流的阴极防
2.
Water heating installations for drinking water and service water ; cathodic corrosion protection of uncoated steel vessels ; requirements and testing 饮用水和服务性用水的热水器和水加热装置.第10部分
3.
Water heating installations for drinking water and service water ; cathodic corrosion protection of enamelled steel containers ; requirements and testing 饮用水和服务行业用水的水加热装置.搪瓷钢容器阴级的