DIN 38409-44 标准详情
- 标准号:DIN 38409-44
- 中文标题:
- 英文标题:German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
- 标准类别:德国标准DIN
- 发布日期:
