GB/T 20657-2022 Chinese PDF (GB/T20657-2022) GB/T 44955-2024 GB/T 16254-2024_Chinese: Mohair (Chinese: 马海毛)

GB/T 16254-2024_Chinese: Mohair (Chinese: 马海毛)

GB 23826-2025_Chinese: Light-emitting diode variable speed limit signs of motorway (Chinese: 高速公路LED可变限速标志)

GB/T 33798-2025_Chinese: Bio-polyester drum-linkage bags (Chinese: 生物聚酯连卷袋)

5-2024_Chinese: IPv6 evolution technical requirements - Part 5: SRv6-based VPN (Chinese: IPv6演进技术要求 第5部分：基于IPv6段路由（SRv6）的虚拟专用网（VPN）)

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)

GB/T 20657-2022 Chinese PDF (GB/T20657-2022) GB/T 44955-2024 GB/T 16254-2024_Chinese: Mohair (Chinese: 马海毛)GB 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