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Downhole piping systems based on flexible pipes applied as concentric tubing in oil and gas wells. General specifications
Document status: Active
Steel pipes for pipelines. Specifications. Part 2. Requirements for class B pipes
Document status: Replaced by GOST R ISO 3183-2009
Basic norms of interchangeability. Metric screw thread. Profile
Document status: Replaced by GOST 9150-2002