GB/T 4732.4-2024 Chinese PDF (GB/T4732.4-2024) GB/T 19510.211-2023 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)

English versions: GB/T 1094

English versions: GB/T 21307-2025

clothing and similar flexible heating appliances (Chinese: 家用和类似用途电器的安全 第8部分：电热毯、电热垫、电热衣及类似柔性发热器具的特殊要求)

GB/T 4732.4-2024 Chinese PDF (GB/T4732.4-2024) GB/T 19510.211-2023 3-2025_Chinese: Petroleum and natural gasGB T 4732. 4 2024_Chinese: Pressure vessels design by analysis Part 4: Stress classification method (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4732. 4 2024