GB/T 20657-2022 Chinese PDF (GB/T20657-2022) GB/T 44955-2024 GB/T 45137-2024_Chinese: Technical code of

GB/T 45137-2024_Chinese: Technical code of practice with genome editing and breeding for livestock and poultry (Chinese: 畜禽基因组编辑育种技术规程)

English versions: GB 3836

5 kV）和110 kV（Um=126 kV）交联聚乙烯绝缘电力电缆及其附件 第2部分: 电缆)

GB/T 45404-2025_Chinese: Data security technology - Requirements for large Internet companies internal personal information protection supervision agency (Chinese: 数据安全技术 大型互联网企业内设个人信息保护监督机构要求)

GB/T 20657-2022 Chinese PDF (GB/T20657-2022) GB/T 44955-2024 GB/T 45137-2024_Chinese: Technical code ofGB T 20657 2022_Chinese: Petroleum and natural gas industries Formulae and calculations for the properties of casing, tubing, drill pipe and line pipe used as casing or tubing (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20657 2022