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GOST R 54383-2011
Steel drill pipes for petroleum and natural gas industries. Specifications
Document status: Cancelled
€10
GOST 21153.0-75
Rocks. Sampling and general requirements for the methods of physical testing
Document status: Active
€10
GOST 1137-64
Brown coals, hard coals, anthracite, combustible shales and briquettes. Quality acceptance rules
Document status: Active
€10