SY/T 6818-2011
Safety technical specifications for coalbed methane well drilling engineering (English Version)

Standard No.
SY/T 6818-2011
Language
Chinese, Available in English version
Release Date
2011
Published By
国家能源局
Status
 2020-05
Replace By
SY/T 6818-2019
Latest
SY/T 6818-2019

SY/T 6818-2011 history

  • 2019 SY/T 6818-2019 Safety technical specifications for coalbed methane well drilling engineering
  • 2011 SY/T 6818-2011 Safety technical specifications for coalbed methane well drilling engineering



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