GB/T 16649.2-2024 Chinese PDF (GB/T16649.2-2024) GB/T 45410.1-2025 7-2024_Chinese: Proton exchange membrane fuel

7-2024_Chinese: Proton exchange membrane fuel cells - Part 7: Test method of carbon paper properties (Chinese: 质子交换膜燃料电池 第7部分：炭纸特性测试方法)

GB/T 45435-2025_Chinese: Technical requirements and test methods of BeiDou airborneequipment for aviation supplemental navigation (Chinese: 航空辅助导航北斗机载设备技术要求和测试方法)

GB/T 14308-2023_Chinese: Classification and accreditation for star-rated tourist hotels (Chinese: 旅游饭店星级的划分与评定)

GB/T 45331-2025_Chinese: ePTFE membrane for reinforcement of proton exchange membrane (Chinese: 质子交换膜增强用聚四氟乙烯膜)

English versions: GB/T 45269-2025

GB/T 16649.2-2024 Chinese PDF (GB/T16649.2-2024) GB/T 45410.1-2025 7-2024_Chinese: Proton exchange membrane fuelGB T 16649. 2 2024_Chinese: Identification cards Integrated circuit cards Part 2: Cards with contacts Dimensions and location of the contacts (Chinese: 2 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 16649. 2 2024