GB 20052-2024 Chinese PDF GB/T 45456-2025 English versions: GBZ37551

English versions: GBZ37551

English versions: GB/T 45244-2025

7-2025_Chinese: Technical specification for animal genetic resource survey - Part 7: Camel and alpaca (Chinese: 畜禽遗传资源调查技术规范 第7部分：骆驼、羊驼)

GB 45067-2024_Chinese: Criteria for major accident potential of special equipment judgment (Chinese: 特种设备重大事故隐患判定准则)

GB/T 45112-2024_Chinese: LTE-based vehicular communication - Technical requirement of security certificate management system (Chinese: 基于LTE的车联网无线通信技术 安全证书管理系统技术要求)

GB 20052-2024 Chinese PDF GB/T 45456-2025 English versions: GBZ37551GB 20052 2024_Chinese: Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 20052 2024