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GB/T 23249-2009 (GBT 23249-2009)

Standard IDContents [version]USDSTEP2[PDF] delivered inName of Chinese StandardSee DetailStatusRelated Standard
GB/T 23249-2009English230 Add to Cart 0--10 minutes. Auto-delivery. Coalbed gas content measurement methods in geological exploration period GB/T 23249-2009 Valid GB/T 23249-2009
GB/T 23249-2009Chinese24 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]

PDF Actual Sample: GB/T 23249-2009 (PDF-excerpt released/modified date: 2019-11-30/2019-11-30. Translated/reviewed by: Wayne Zheng et al.)