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English versions: GB/T 21478-2024
GB/T 12690
GB/T 19277
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 44963-2024
GB 17799.3-2023 Chinese PDF GB/T 45284.1-2025 English versions: GB/T 21478-2024GB 17799. 3 2023_Chinese: Electromagnetic compatibility(EMC) Generic standards Part 3: Emission standard for equipment in residential environments (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 17799. 3 2023
