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Database: 365,228(8 Aug 2026)

hj/t+399

hj/t+399, Total:13 items.

The international standard classification for "hj/t+399" includes: Water quality in general .

The Chinese standard classification for "hj/t+399" includes: Analysis methods for industrial wastewater and pollutants .


Professional Standard - Environmental Protection

  • HJ/T 399-2007 Water quality-Determination of the chemical oxygen demand-Fast digestion-Spectrophotometric method

Professional Standard - Aviation

Group Standards of the People's Republic of China

未注明发布机构

Society of Automotive Engineers (SAE)

  • SAE AS49300-5-2007 AS49300-399 Bolt, Tee Head, P.D. Shank, Inconel 718 0.3125 - 24 UNJF - 3A ISO3161
  • SAE AS58300-3-2007 AS58300-399 Bolt, Tee Head, Close Tolerance Shank, Inconel 718 0.1900 - 32UNJF - 3A.MOD. ISO3161

British Standards Institution (BSI)

SCC

Defense Logistics Agency

Association Francaise de Normalisation