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GB/T 22252-2024 Determination of coenzyme Q10 in health foods 
  Issued on: 2024-12-31   Price(USD): 210.0
GB/T 2227-1991 The parts and units of jigs and fixtures - Hexagon head supporters 
  Issued on:   Price(USD): 180.0
GB/T 22271.1-2008 Plastics - Polyoxymethylene(POM) moulding and extrusion materials - Part 1: Designation system and basis for specifications 
  Issued on: 2008-08-04   Price(USD): 140.0
GB/T 22271.2-2008 Plastics - Polyoxymethylene (POM) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties 
  Issued on: 2008-08-04   Price(USD): 100.0
GB/T 13638-1992 Water level control and alarm devices for industrial boilers 
  Issued on: 1992-08-29   Price(USD): 220.0
GB/T 12154-1989 Analysis of water used in boiler and cooling system-Determination of total aluminum 
  Issued on: 1989-01-02   Price(USD): 184.0
GB/T 12151-1989 Analysis of water used in boiler and cooling system-The determination of turbidity(formazine turbidity) 
  Issued on: 1989-01-02   Price(USD): 180.0
GB/T 12150-1989 Analysis of water used in boiler and cooling system-The determination of silica(photometric method by silicomolybdenum blue) 
  Issued on: 1989-01-02   Price(USD): 184.0
GB/T 12148-1989 Analysis of water used in boiler and cooling system-The determination of total silicon-Photometric method by conversion with hydrofluoric acid for low-silicon 
  Issued on: 1989-01-02   Price(USD): 184.0
GB/T 12147-1989 Analysis of water used in boiler and cooling system-Determination of electrical conductivity of pure water 
  Issued on: 1989-01-02   Price(USD): 184.0
GB/T 10866-1989 Boiler pressure parts―Metallographic examination and fracture test of weld joints 
  Issued on: 1989-03-31   Price(USD): 220.0
GB/T 10820-1989 Boilers using coal for daily life--Thermal efficiency 
  Issued on: 1989-03-31   Price(USD): 150.0
GB/T 12145-1999 Quality criterion of water and steam for generating unit and steam power equipment 
  Issued on: 1999-03-02   Price(USD): 150.0
GB/T 10820-2002 Thermal efficiency and test methods of boilers for daily life 
  Issued on: 2001-12-04   Price(USD): 250.0
GB/T 223.23-1994 Methods for chemical analysis of iron, steel and alloy.The dimethylglyoxime spectrophotometric method for the determination of nickel content 
  Issued on: 1994-1-17   Price(USD): 80.0
GB 10440-1989 Round composite cans 
  Issued on: 1989-03-03   Price(USD): 100.0
GB/T 17590-1998 Three-piece can with easy open end 
  Issued on: 1998-01-02   Price(USD): 180.0
GB/T 22264.5-2008 Mounted digital display electric measuring instruments - Part 5: Special requirements for phase meters and power factor meters 
  Issued on: 2008-12-15   Price(USD): 70.0
GB/T 22264.6-2009  
  Issued on: 2009-11-15   Price(USD): 60.0
 
  Issued on: 2022-06-30   Price(USD): 285.0
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