标准号:VDI 2461 BLATT 2-1976
英文标准名称:Gaseous air pollution measurement; measurement of ammonia gas concentration; NESSLER's solution method Messung gasfoermiger Immissionen; Messen der Ammoniak-Konzentration; NESSLER-Verfahren [Replaced By: VDI VDI 3869 Blatt 3, VDI VDI 3869 Blatt 5, VDI VD
标准状态:W
标准类型:国际标准