DIN EN 14812:2007
建筑物內水處理設備.化學藥品劑量.預調劑量系統.性能要求、安全和試驗.德文版本EN 14812:2005+A1-2007
Water conditioning equipment inside buildings - Chemical dosing systems -
Pre-set dosing systems - Requirements for performance, safety and testing(includes Amendment A1:2007)
English version of DIN EN 14812:2007-09