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Q/ASB 330-2018 Continuously hot-rolled steel sheet and strip for cold rolling and cold forming 
  Issued on: 2018-11-12   Price(USD): 165.0
GB/T 11297.1-2002 Test method for wavefront distorion of laser rods 
  Issued on: 2002-12-1   Price(USD): 105.0
GB/T 13265-1991 Fibre optic isolators--Generic specification 
  Issued on:   Price(USD): 450.0
GB 11153-1989 testing method of laser power meter in low range 
  Issued on: 1989-3-31   Price(USD): 120.0
GB 12083-1989 Power supply series for gas lasers 
  Issued on: 1989-1-2   Price(USD): 30.0
GB 10320-1995 Electrical safety of laser equipment and installations 
  Issued on: 1995-07-02   Price(USD): 360.0
GB/T 33296-2025 Quality requirements and test methods for shale gas products 
  Issued on: 2025-04-25   Price(USD): 120.0
GB/T 33296-2016 The technical requirements and test methods for shale gas 
  Issued on: 2016-12-13   Price(USD): 100.0
GB 55009-2021 Project code for gas engineering 
  Issued on: 2021-04-09   Price(USD): 405.0
SY/T 7507-2016 Determination of water content in natural gas --Electrolytic method 
  Issued on: 2016-12-05   Price(USD): 130.0
GB 50251-2015 Design code for gas transmission pipeline engineering 
  Issued on: 2015-02-02   Price(USD): 750.0
SY/T 7379-2017 Natural gas. Determination of water vapor content. Tunable diode laser absorption spectroscopy (TDLAS) 
  Issued on: 2017-11-15   Price(USD): 130.0
GB 50028-2006(2020) Code for design of city gas engineering (2020) 
  Issued on: 2020-04-09   Price(USD): 1275.0
GB 50183-2015 Standard for urban water conservation evaluation 
  Issued on: 2015-06-26   Price(USD): 885.0
GB/T 39540-2020 Fast determination of shale gas composition—Laser Raman spectroscopy 
  Issued on: 2020-11-19   Price(USD): 120.0
GB/T 33440-2021 General requirements for interchangeability of natural gas 
  Issued on: 2021-12-31   Price(USD): 105.0
GB/T 35211-2017 Measurement of nature gas calorific value-Continuous combustion 
  Issued on: 2017-12-29   Price(USD): 220.0
GB/T 30490-2014 The Method for Automatic Sampling of Natural Gas 
  Issued on: 2014-2-19   Price(USD): 240.0
GB/T 22634-2008 Conversion between water content and water dew point of natural gas 
  Issued on: 2008-12-29   Price(USD): 360.0
GB/T 27896-2018 Test method for water vapor content of natural gas—Electronic moisture analyzers 
  Issued on: 2018-09-17   Price(USD): 105.0
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