Technology specification of quality management for edible salt authorized enterprises

Norma vydaná dňa 7.6.2018

Petroleum and natural gas industries-Life cycle costing-Part 1:Methodology

Norma vydaná dňa 4.7.2005

Petroleum and natural gas industries-Life cycle costing-Part 2:Guidance on application of methodology and calculation methods

Norma vydaná dňa 4.7.2005

Petroleum and natural gas industries - Life cycle costing - Part 3: Implementation guidelines

Norma vydaná dňa 29.3.2006

Petroleum and natural gas industries—Steel pipes for use as casing or tubing for wells

Norma vydaná dňa 27.11.2023

Petroleum and natural gas industreis—Casing centralizers—Part 1:Bow-spring casing centralizers

Norma vydaná dňa 2.12.2025

Petroleum and natural gas industries - Equipment for well cementing - Part 2: Centralizer placement and stop-collar testing

Norma vydaná dňa 28.8.2008

Petroleum and natural gas industries—Casing centralizers—Part 3:Rigid and semi-rigid centralizers

Norma vydaná dňa 6.8.2023

Petroleum and natural gas industries—Inspection, maintenance, repair and remanufacture of drilling and production hoisting equipment

Norma vydaná dňa 1.11.2017

Coal preparation plant-Assessment of the liability to breakdown in water of materials associated with coal seams

Norma vydaná dňa 15.7.2005