GB/T 45460-2025 Chinese PDF (GB /T45460-2025) GB/T 24589.1-2024 3-2025_Chinese: Petroleum and natural gas

3-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 3: Cracking-resistant CRAs(corrosion-resistant alloys) and other alloys (Chinese: 石油天然气工业 油气开采中用于含硫化氢环境的材料 第3部分：抗开裂耐蚀合金和其他合金)

GB/T 45554-2025_Chinese: Specification for pig performance testing (Chinese: 种猪生产性能测定技术规范)

2-2025_Chinese: Optics and photonics - Specifications for binoculars

English versions: GB/T 45493-2025

GB/T 45460-2025 Chinese PDF (GB /T45460-2025) GB/T 24589.1-2024 3-2025_Chinese: Petroleum and natural gasGB T 45460 2025_Chinese: Steel wire ropes Determination of the transverse rigidity of steel wire ropes under no axial load condition (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45460 2025