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Code of China
Chinese National Standard List: Material and component for instrument and meter

GB/T 7962.15-1987 Colourless optical glass test methods; Resistance to humidity 
  Issued on: 1987-06-20   Translation Price(USD): 184.0
GB/T 7962.16-1987 Colourless optical glass test methods; Linear thermal expansion coefficient and transformation temperature 
  Issued on: 1987-06-20   Translation Price(USD): 180.0
GB/T 7962.4-1987 Colourless optical glass test methods; Test method by multiple beam spherical interference for optical homogeneity 
  Issued on: 1987-06-20   Translation Price(USD): 45.0
GB 7962.7-1987 Colourless optical glass test methods; Examination method for extent of stria 
  Issued on: 1987-06-20   Translation Price(USD): 45.0
GB/T 7962.3-1987 Colourless optical glass test methods; Test method by holographic interference for optical homogeneity 
  Issued on: 1987-06-20   Translation Price(USD): 105.0
GB/T 7962.20-1987 Colourless optical glass test methods; Density 
  Issued on: 1987-06-20   Translation Price(USD): 184.0
GB/T 7962.18-1987 Colourless optical glass test methods; Autocollimation test method for refractive index in the ultraviolet and infrared wave band 
  Issued on: 1987-06-20   Translation Price(USD): 184.0
GB/T 7962.12-1987 Colourless optical glass test methods; Spectral internal transmittance 
  Issued on: 1987-06-20   Translation Price(USD): 184.0
GB/T 7962.1-1987 Colourless optical glass test methods; Refractive index and coefficient of dispersion 
  Issued on: 1987-06-20   Translation Price(USD): 224.0
GB/T 7962.14-1987 Colourless optical glass test methods; Resistance to acid 
  Issued on: 1987-06-20   Translation Price(USD): 184.0
GB 4598-1984 Knob-size for instruments 
  Issued on:   Translation Price(USD): 190.0
GB 3966-1983 Jewel bearings with through hole for instruments and meters 
  Issued on:   Translation Price(USD): 300.0
GB 3967-1983 Jewel bearings with end stones for instruments and meters 
  Issued on:   Translation Price(USD): 180.0
GB 3968-1983 Jewel bearings with recess for instruments and meters 
  Issued on:   Translation Price(USD): 300.0
JB/T 7901-1999 Metals materials. Uniform corrosion. Methods of laboratory immersion testing 
  Issued on: 1999-08-06   Translation Price(USD): 324.0
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