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online monitor cod

online monitor cod, Total:3 items.

In the international standard classification, online monitor cod involves: .

National Metrological Verification Regulations of the People's Republic of China, online monitor cod

• JJG 1012-2006 On-line Automatic Determinator of Chemical Oxygen Demand (COD)
• JJG 1012-2019 On-line Automatic Determinators of Chemical Oxygen Demand (COD)

National Metrological Technical Specifications of the People's Republic of China, online monitor cod

• JJF 1786-2019 Program of Pattern Evaluation of On-line Automatic Determinators for Chemical Oxygen Demand (COD)

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