GB/T 20657-2011

Petroleum and natural gas industries—Equations and calculations for the properties of casing,tubing,drill pipe and line pipe used as casing and tubing

STANDARD published on 30.12.2011

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The information about the standard:

Designation standards: GB/T 20657-2011
Note: WITHDRAWN
Publication date standards: 30.12.2011
Country: Chinese technical standard
Category: Technical standards GB