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English versions: GB/T 1040
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)
GB/T 45011-2024_Chinese: Test method for impact failure of fiber reinforced polymer matrix composites (Chinese: 纤维增强复合材料冲击失效试验方法)
English versions: GB 40559-2024
English versions: GB/T 45150-2024
GB/T 19544-2024 Chinese PDF (GB/T19544-2024) GB 5009.5-2025 English versions: GB/T 1040GB T 19544 2024_Chinese: Classification and general technology requirements of spinal orthoses (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19544 2024
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