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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 1288-2024_Chinese: Chemical reagent - Potassium sodium tartrate tetrahydrate (Chinese: 化学试剂 四水合酒石酸钾钠 （酒石酸钾钠）)
GB/T 45625-2025_Chinese: Determination of hydroxymethyl furfural content in royal jelly and royal jelly lyophilized powder - High-performance liquid chromatography method (Chinese: 蜂王浆及蜂王浆冻干粉中羟甲基糠醛含量的测定 高效液相色谱法)
GB/T 45196-2025_Chinese: Technical guidelines for environmental quality survey of agricultural production areas (Chinese: 农产品产地环境质量调查技术指南)
English versions: GB/T 45459-2025
GB/T 27917.1-2023 Chinese PDF (GB/T27917.1-2023) GB/T 45130-2025 GB/T 45331-2025_Chinese: ePTFE membrane forGB T 27917. 1 2023_Chinese: Express service Part 1: Basic terminology (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27917. 1 2023
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