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Standard substance verification

Standard substance verification, Total:9 items.

In the international standard classification, Standard substance verification involves: Natural gas.


Korean Agency for Technology and Standards (KATS), Standard substance verification

European Committee for Standardization (CEN), Standard substance verification

Danish Standards Foundation, Standard substance verification

ES-UNE, Standard substance verification

British Standards Institution (BSI), Standard substance verification

未注明发布机构, Standard substance verification

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Standard substance verification

  • GB/T 31253-2014 Natural gas.Validation for gaseous reference materials.Direct measurement of calorific value and density




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