GB/T 40548-2021

Technical specification of separate layers pressure control and combined layers drainage for coalbed methane wells

NORM herausgegeben am 20.8.2021

English, Chinesisch -
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The information about the standard:

Designation standards: GB/T 40548-2021
Publication date standards: 20.8.2021
Country: Chinese technical standard
Kategorie: Technische Normen GB