Methods for measuring the performance of electric storage water - heaters for household purposes 家用电储水加热器性能的测量方法
Method of testing for rating commercial gas , electric , and oil service water heating equipment 燃气电力和燃油水加热器额定值检验方法
The storage type heat exchanger of flow type and half storage type heat exchanger construction of u - pipe column 导流型容积式水加热器和半容积式水加热器u型管束
Gas - fired instantaneous water heaters for the production of domestic hot water , fitted with atmospheric burners 配备气体燃烧炉供应家用热水的燃气式瞬时水加热器
The storage type heat exchanger of guide flow type and half storage type heat exchanger construction of u - pipe column 导流型容积式水加热器和半容积式水加热器u型管束
Copper and copper alloys - seamless , round copper tubes for water and gas in sanitary and heating applications 铜和铜合金制品.卫生设备和水加热器的水和气体用无缝圆铜管
Water heaters and hot water systems for drinking and service water ; indirect heat exchangers ; requirements , testing and marking 饮用水和工业用水用水加热器和热水装置.间接热交换器
Household and similar electrical appliances - safety - part 2 - 35 : particular requirements for instantaneous water heaters 家用和类似用途电器.安全.第2 - 35部分:瞬时水加热器的特殊要求
Gas water heaters - volume i : storage , water heaters with input ratings of 75 , 000 btu per hour or less ; addenda 燃气的水加热器.第i卷:输入额定值为750000英热量单位小时或其以下的蓄热型水加热器.补充件
