Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
JJG 365-2008 |
Verification Regulation of Electrochemical Oxygen Meter 电化学氧测定仪检定规程 |
China Metrological
Standards Verification regulation chemical |
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JJG 975-2002 |
Verification regulation of chemical oxygen demand (COD) meters 化学需氧量(cod)测定仪检定规程 |
China Metrological
Standards Verification regulation chemical |
![]() English PDF |
JJG 824-1993 |
Verification Regulation of Biochemical oxygen demand (bod5) meter 生物化学需氧量(bod5)测定仪 |
China Metrological
Standards Verification regulation chemical |
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