GB/T 34903.2-2017 Petroleum,petrochemical and natural gas industries—Non-metallic materials in contact with media related to oil and gas production—Part 2:Elastomers (English Version)
2017GB/T 34903.2-2017 Petroleum,petrochemical and natural gas industries—Non-metallic materials in contact with media related to oil and gas production—Part 2:Elastomers