GB/T 45137-2024 Chinese PDF (GB /T45137-2024) GB/T 19212.2-2025 GB/T 28185-2025_Chinese: Heat exchange unit

GB/T 28185-2025_Chinese: Heat exchange unit for urban heating (Chinese: 城镇供热用换热机组)

English versions: GB/T 32588

32-2024_Chinese: Wheelchairs - Part 32: Test method for wheelchair castor assembly durability (Chinese: 轮椅车 第32部分：轮椅车小脚轮总成耐用性测试方法)

2-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels

1-2024_Chinese: Technical specification for OPC unified architecture and 5G integration - Part 1: General requirements (Chinese: OPC统一架构与5G集成技术规范 第1部分：通用要求)

GB/T 45137-2024 Chinese PDF (GB /T45137-2024) GB/T 19212.2-2025 GB/T 28185-2025_Chinese: Heat exchange unitGB T 45137 2024_Chinese: Technical code of practice with genome editing and breeding for livestock and poultry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45137 2024