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cod online instrument

cod online instrument, Total:3 items.

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

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

• 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, cod online instrument

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

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