Pe - x . 5 : plastics piping systems for hot and cold water installations - crosslinked polyethylene - part 5 : fitness for purpose of the system 冷热水装置用塑料管道系统.交联聚乙烯
Plastics piping systems for hot and cold water installations - chlorinated poly vinyl chloride - fitness for purpose of the system 冷热水装置用塑料管道系统.氯化聚氯乙烯.系统的适用性
Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow 饮用水设施污染防治和防止回流污染装置的一般要求
Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow 水装置中饮用水防污以及防止回流污染的装置的一般要求
Expansion vessels - part 5 : closed expansion vessels with membrane for drinking water installations ; requirements , test , design and designation ; dvgw code of practice 膨胀箱.饮用水带保护膜的封闭式膨胀箱.要求试验
Specification for safety of household and similar electrical appliances - particular requirements for stationary circulation pumps for heating and service water installations 家用和类似用途电器的安全.加热和供水设施用固定式循环泵的特殊要求
Household and similar electrical appliances - safety - part 2 - 51 : particular requirements for stationary circulation pumps for heating and service water installations 家用和类似用途电器.安全.第2 - 51部分:加热和供水设施用固定式循环泵的特殊要求
Household and similar electrical appliances - safety - part 2 - 51 : particular requirements for stationary circulation pumps for heating and service water installations 家用和类似用途电器.安全.第2 - 51部分:加热和供水设施用固定式循环泵的特殊要求
Products on display this year included a complete range of heating technology and equipment , water installation technology and air - conditioning machinery and fittings 今届展出之产品包括一系列的供暖技术及设备、给排水安装技术、空调机械及设备安装等。
Corrosion of metals - methods for evaluation of efficiency of water treatment apparatus for corrosion protection - part 3 : field corrosion test for removal of corrosion products in incrusted water installations 金属的腐蚀.腐蚀防护用水处理仪器效果的评定方法.第3
