Sign In |Help & Support
HOMECHINA STANDARDSICS CLASSIFICATIONINDUSTRY CLASSIFICATIONCHINESE CLASSIFICATIONCART(0)
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for HJ637+2012

HJ637+2012

HJ637+2012, Total:1 items.

The international standard classification for "HJ637+2012" includes: .

The Chinese standard classification for "HJ637+2012" includes: .

Professional Standard - Environmental Protection

  • HJ 637-2012 Water quality- Determination of petroleum oils and animal and vegetable oils- Infrared spectrophotometry

HJ637+2012

All Rights Reserved © 2026 WWW.CHINASTANDARDS.NET visa master american express unionpay apple pay paypal google pay