GB/Z 37551.4-2025 Chinese PDF (GB /Z37551.4-2025) GB/T 33588.1-2025 31-2025_Chinese: Plugs and socket-outlets for

31-2025_Chinese: Plugs and socket-outlets for household and similar purposes - Part 31: Particular requirements for socket-outlets incorporating USB power supply (Chinese: 家用和类似用途插头插座 第31部分：装有USB电源的插座的特殊要求)

GB/T 19396-2025_Chinese: Terbium-dysprosium-iron magnetostrictive materials (Chinese: 铽镝铁磁致伸缩材料)

2-2024_Chinese: Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method (Chinese: 纺织品 全氟及多氟化合物的测定 第2部分：气相色谱-质谱法)

GB/T 45253-2025_Chinese: Internet psychological services - General specification for evaluation services of psychology (Chinese: 互联网心理服务 心理测评服务通用规范)

GB/T 45036-2024_Chinese: Inspection of grain and oils - Technical specification for sample information collection (Chinese: 粮油检验 样品信息采集技术规范)

GB/Z 37551.4-2025 Chinese PDF (GB /Z37551.4-2025) GB/T 33588.1-2025 31-2025_Chinese: Plugs and socket-outlets forGBZ37551. 4 2025_Chinese: Marine energy Wave, tidal and other water current converters Part 4: Specification for establishing qualification of new technology (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GBZ37551. 4 2025