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GB 3089-1982 Thinnest-wall seamless tubes of stainless and acid-resistance steel 
  Issued on: 1982-05-10   Price(USD):
GB 3785-1983 Electric,sonic properties and measuring methods for sound level meters 
  Issued on: 1983-06-25   Price(USD): 270.0
GB 3096-1993 Standard of environmental noise of urban area 
  Issued on: 1993-09-07   Price(USD): 184.0
GB 13326-1991 Sound limit of central station air hardling units 
  Issued on: 1991-01-02   Price(USD): 184.0
GB 12280-1990 Test methods for noise generator 
  Issued on: 1990-3-2   Price(USD): 60.0
GB 12523-1990 Noise limits for construction site 
  Issued on: 1990-11-9   Price(USD): 184.0
GB 12349-1990 Method of measuring noise at boundary of industrial enterprises 
  Issued on: 1990-05-01   Price(USD): 30.0
GB 12181-1990 General specification of low frequency signal generators 
  Issued on: 1990-1-12   Price(USD): 270.0
GB 11453-1989 Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions 
  Issued on: 1989-7-4   Price(USD): 120.0
GB 12180-1990 Test methods for low frequency signal generators 
  Issued on: 1990-1-12   Price(USD): 225.0
GB 3836.5-1987 Electrical apparatus for explosive atmospheres--Pressurized electrical apparatus p 
  Issued on: 1987-06-18   Price(USD): 260.0
GB 3836.6-1987 Electrical apparatus for explosive atmospheres--Oil immersed electrical apparatus o 
  Issued on: 1987-06-18   Price(USD): 180.0
GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards 
  Issued on: 2011-12-30   Price(USD): 1020.0
GB/T 15166.2-2008 High-voltage alternating-current fuses - Part 2: Current-limiting fuses 
  Issued on: 2008-09-24   Price(USD): 620.0
GB 7675-1987 The capacitor banks switching tests for A.C. high-voltage circuit-breaker 
  Issued on: 1987-04-16   Price(USD): 45.0
GB/T 2135-1980 Determination of tin content in cadmium--Phenylfluorone-CTAB photometric method 
  Issued on: 1980-12-19   Price(USD): 180.0
GB/T 2136-1980 Determination of thallium content in cadmium--Crystal violet photometric method 
  Issued on: 1980-12-19   Price(USD): 180.0
JB/T 7659.1-1995 Liquid receiver for freon refrigeration device 
  Issued on: 1995-06-16   Price(USD): 224.0
GB/T 13659-1992 001×7 Strongly acidic styrene type cation excange resins 
  Issued on: 1992-09-01   Price(USD): 264.0
GB/T 13660-1992 201×7 Strongly basic styrene type anion exchange resins 
  Issued on: 1992-09-01   Price(USD): 224.0
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