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English versions: GB/T 17554
5-2024_Chinese: Proton exchange membrane fuel cell - Part 5: Test method for membrane electrode assembly (Chinese: 质子交换膜燃料电池 第5部分：膜电极测试方法)
English versions: GB/T 19396-2025
GB/T 17821-2025_Chinese: Rubber latex - Determination of density between 5 ℃ and 40 ℃ (Chinese: 胶乳 5℃至40℃密度的测定)
GB/T 14404-2024_Chinese: Plate shear - Testing of the accuracy (Chinese: 剪板机 精度)
GB/T 17821-2025 Chinese PDF (GB /T17821-2025) GB 39800.8-2024 English versions: GB/T 17554GB T 17821 2025_Chinese: Rubber latex Determination of density between 5 and 40 (Chinese: 540) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17821 2025
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