GB/T 1634.1-2025 Chinese PDF (GB /T1634.1-2025) GB 6944-2025 GB/T 17365-2025_Chinese: Microbeam analysis -

GB/T 17365-2025_Chinese: Microbeam analysis - Method of preparation for specimens of metal and alloy in electron probe microanalysis (Chinese: 微束分析 金属与合金电子探针定量分析试样的制备方法)

3-环丁二醇迁移量的测定)

2-2025_Chinese: Assembled spectacles - Part 2: Power-variation prescription assembled spectacles (Chinese: 配装眼镜 第2部分：渐变焦定配眼镜)

setting time and soundness of the Portland cement (Chinese: 水泥标准稠度用水量、凝结时间与安定性检验方法)

English versions: GB 45189-2025

GB/T 1634.1-2025 Chinese PDF (GB /T1634.1-2025) GB 6944-2025 GB/T 17365-2025_Chinese: Microbeam analysis -GB T 1634. 1 2025_Chinese: Plastics Determination of temperature of deflection under load Part 1: General test method (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 1634. 1 2025