GB/T 20657-2022 Chinese PDF (GB/T20657-2022) GB/T 44955-2024 72-2025_Chinese: National food safety standard

72-2025_Chinese: National food safety standard - Food additive - Sodium iron (III) ethylenediaminetetraacetate trihydrate (Chinese: 食品安全国家标准 食品营养强化剂 乙二胺四乙酸铁钠  )

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 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)

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）)

English versions: GB/T 14598

GB/T 20657-2022 Chinese PDF (GB/T20657-2022) GB/T 44955-2024 72-2025_Chinese: National food safety standardGB 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