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English versions: GB 4824-2025
GB/T 31036-2025_Chinese: Proton exchange membrane fuel cell backup power system - Safety (Chinese: 质子交换膜燃料电池备用电源系统 安全)
GB/T 13671-2025_Chinese: Electrochemical test method for crevice corrosion of stainless steel (Chinese: 不锈钢缝隙腐蚀电化学试验方法)
GB/T 44931-2024_Chinese: Nanotechnologies - Generation of metal nanoparticles for inhalation toxicity testing - Evaporation-condensation method (Chinese: 纳米技术 吸入毒性研究中金属纳米颗粒制备 蒸发-冷凝法)
English versions: GB/T 35609-2025
GB/T 3543.3-2025 Chinese PDF (GB /T3543.3-2025) GB/T 23301-2024 English versions: GB 4824-2025GB T 3543. 3 2025_Chinese: Rules for agricultural seed testing Part 3: Sowing quality Purity analysis (Chinese: 3 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3543. 3 2025
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