2024-12-21 18.218.38.201
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Code of China
Chinese National Standard List: Basic standards and general methods

YD/T 540-1992 Graphic symbols used in circuit operation procedure diagram for electromechanical components of telephone exchanges 
  Issued on:   Price(USD): 180.0
T/CCSA 240-2019 General technical requirements for distributed authorization system of IoT 
  Issued on: 2019-08-16   Price(USD):
GB/T 38121-2023 Protection against lightning—Thunderstorm warning systems  
  Issued on: 2023-05-23   Price(USD): 555.0
GB/T 19663-2022 Vocabulary for lightning protection of information system 
  Issued on: 2022-07-11   Price(USD): 495.0
GB/T 41089-2021 Technical specification for isolated lightning protection of electronic system based on lightning nowcasting and warning 
  Issued on: 2021-12-31   Price(USD): 225.0
GB/T 40621-2021 Drawing method of cloud-to-ground lightning density distribution map 
  Issued on: 2021-10-11   Price(USD): 180.0
GB/T 38121-2019 Protection against lightning—Thunderstorm warning systems 
  Issued on: 2019-10-18   Price(USD): 550.0
GB/T 37048-2018 Technical specification for lightning protection of expressway electromechanical systems 
  Issued on: 2018-12-28   Price(USD): 370.0
GB/T 36963-2018 Technical specification for lightning protection of building integrated photovoltaic systems 
  Issued on: 2018-12-28   Price(USD): 310.0
GB/T 37047-2018 Lightning density based on lightning location systems(LLS)—General principles 
  Issued on: 2018-12-28   Price(USD): 160.0
GB/T 21431-2015/XG1-2018 Technical code for inspection of lightning protection system in building, includes Amendment 1 
  Issued on: 2015-09-11   Price(USD): 825.0
YD/T 2583.1-2018 Electromagnetic compatibility requirement and measurement methods for celluar mobile communication equipment Part 1:base station and ancillary equipment 
  Issued on: 2018-04-28   Price(USD): 480.0
GB/T 13504-2008/XG1-2016 Diagnostic Rhyme Test (DRT) method of Chinese articulation, includes Amendment 1 
  Issued on: 2008-07-16   Price(USD): 315.0
GB/T 21431-2015 Technical code for inspection of lightning protection system in building 
  Issued on: 2015-09-11   Price(USD): 810.0
YDB 161-2015 Technical specification on architecture of smart TV application service platform 
  Issued on: 2015-11-05   Price(USD):
QX 4-2015 Technical specifications for lightning protection at the meteorological offices (stations) 
  Issued on: 2015-01-26   Price(USD): 430.0
SL 651-2014 Transmission protocols for hydrologic monitoring data 
  Issued on: 2014-01-17   Price(USD): 1789.0
GB/T 15658-2012 Method for measurements of radio noise 
  Issued on: 2012-12-31   Price(USD): 210.0
YDB 123-2013 Technical requirements of smart home system 
  Issued on: 2013-3-6   Price(USD): 300.0
GB/T 28507-2012 Description guidelines for voice exhibition of web documents 
  Issued on: 2012-6-29   Price(USD): 180.0
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