Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A; German version EN 12729:2002, Corrigendum to DIN EN 12729:2003-02
标准号:DIN EN 12729 Berichtigung 1-2009
标准名称: 防饮用水回流污染的装置 带减压区的可控回流防止器 B系列 A类型 技术勘误DIN EN 12729-2003-02
英文名称:Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A; German version EN 12729:2002, Corrigendum to DIN EN 12729:2003-02
标准类型:国外标准
标准状态:现行
中国标准分类号(CCS):Q81
国际标准分类号(ICS):13.060.20