2024-11-24 13.58.207.196
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB 10129-1988 Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies 150.0 via email in 1~3 business day abolished2020-07-01,2020-7-1,1989-1-1
GB 10562-1989 Metallic material-Standard test method for the extra-low expansion coefficient-Light interferometer method 90.0 via email in 1~3 business day superseded,2009-5-1,1990-1-1
GB 11107-1989 and its compound powder - Determination of specific surface and particle size by air permeating method 60.0 via email in 1~3 business day abolished2019-06-01 ,2019-6-1,1990-3-1
GB 1423-1978 Method of measurement of density for precious metals and their alloys 30.0 via email in 1~3 business day superseded,1997-4-1,1979-7-1
GB 1424-1978 Precious metals and their alloys--Determination of resistivity 184.0 via email in 1~3 business day superseded,1997-4-1,1979-7-1
GB 1425-1978 Test method for measuring melting point of noble metal eutectic alloy by thermal analysis 180.0 via email in 1~3 business day superseded,1997-4-1,1979-7-1
GB 1550-1979 Testing methods for conductivity type of monocrystalline silicon 180.0 via email in 1~3 business day superseded,1997-1-2,1980-1-1
GB 1551-1979 Test method for resistivity of silicon bars using a two-point probe 30.0 via email in 1~3 business day superseded,1995-1-2,1980-1-1
GB 1552-1979 Measurement of resistivity for monocrystalline silicon with D-C four point probe 184.0 via email in 1~3 business day superseded,1995-1-2,
GB 1553-1979 Measurement of monocrystalline silicon lifetime by D. C photoconductive decay methods 300.0 via email in 1~3 business day superseded,1997-1-2,1980-1-1
GB 1555-1979 Determination method for the orientation of a silicon single crystal 30.0 via email in 1~3 business day superseded,1998-8-1,1980-1-1
GB 1556-1979 Determination method for the the orientation of X-ray diffraction of silicon single crystal 30.0 via email in 1~3 business day superseded,1998-8-1,1980-1-1
GB 2523-1990 Cold rolled sheet (strip)-Measuring method for surface roughness 90.0 via email in 1~3 business day abolished2009-05-01,2009-5-1,1991-7-1
GB 3491-1983 Measurement method of the thickness of precious metals and their alloy foils (Weighing method) 30.0 via email in 1~3 business day superseded,1994-12-1,1983-12-1
GB 3492-1983 Measurement method of thin-walled tube size of precious metals and their alloys (Weighing method) 30.0 via email in 1~3 business day superseded,1994-12-1,1983-12-1
GB 3493-1983 Standard method for measuring diameter of fine wire of the precious metals and their alloys(weighing method) 30.0 via email in 1~3 business day abolished1994-12-01,1994-12-1,1983-12-1
GB 351-1964 Test method for resistance coefficient of steel wire 15.0 via email in 1~3 business day superseded,1995-1-2,1965-7-1
GB 3657-1983 Measurement method of direct magnetic properties of soft magnetic alloys 120.0 via email in 1 business day superseded,2009-5-1,1984-3-1
GB 4068-1983 Standard test method for change of resistance with temperature of high resistance alloys for electrical heating 180.0 via email in 1~3 business day superseded,1996-4-14,1984-12-1
GB 4192-1984 Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuum tubes 60.0 via email in 1~3 business day valid,,1984-11-1
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GB 10129-1988 Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies 
  Issued on: 1988-12-10   Price(USD): 150.0
GB 10562-1989 Metallic material-Standard test method for the extra-low expansion coefficient-Light interferometer method 
  Issued on: 1989-12-28   Price(USD): 90.0
GB 11107-1989 and its compound powder - Determination of specific surface and particle size by air permeating method 
  Issued on: 1989-3-31   Price(USD): 60.0
GB 1423-1978 Method of measurement of density for precious metals and their alloys 
  Issued on:   Price(USD): 30.0
GB 1424-1978 Precious metals and their alloys--Determination of resistivity 
  Issued on:   Price(USD): 184.0
GB 1425-1978 Test method for measuring melting point of noble metal eutectic alloy by thermal analysis 
  Issued on:   Price(USD): 180.0
GB 1550-1979 Testing methods for conductivity type of monocrystalline silicon 
  Issued on:   Price(USD): 180.0
GB 1551-1979 Test method for resistivity of silicon bars using a two-point probe 
  Issued on:   Price(USD): 30.0
GB 1552-1979 Measurement of resistivity for monocrystalline silicon with D-C four point probe 
  Issued on:   Price(USD): 184.0
GB 1553-1979 Measurement of monocrystalline silicon lifetime by D. C photoconductive decay methods 
  Issued on:   Price(USD): 300.0
GB 1555-1979 Determination method for the orientation of a silicon single crystal 
  Issued on:   Price(USD): 30.0
GB 1556-1979 Determination method for the the orientation of X-ray diffraction of silicon single crystal 
  Issued on:   Price(USD): 30.0
GB 2523-1990 Cold rolled sheet (strip)-Measuring method for surface roughness 
  Issued on: 1990-07-21   Price(USD): 90.0
GB 3491-1983 Measurement method of the thickness of precious metals and their alloy foils (Weighing method) 
  Issued on:   Price(USD): 30.0
GB 3492-1983 Measurement method of thin-walled tube size of precious metals and their alloys (Weighing method) 
  Issued on:   Price(USD): 30.0
GB 3493-1983 Standard method for measuring diameter of fine wire of the precious metals and their alloys(weighing method) 
  Issued on: 1983-02-21   Price(USD): 30.0
GB 351-1964 Test method for resistance coefficient of steel wire 
  Issued on:   Price(USD): 15.0
GB 3657-1983 Measurement method of direct magnetic properties of soft magnetic alloys 
  Issued on: 1983-05-02   Price(USD): 120.0
GB 4068-1983 Standard test method for change of resistance with temperature of high resistance alloys for electrical heating 
  Issued on:   Price(USD): 180.0
GB 4192-1984 Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuum tubes 
  Issued on: 1984-3-9   Price(USD): 60.0
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