GB/T 23453-2025 Chinese PDF (GB /T23453-2025) GB/T 13963-2025 GB/T 20725-2025_Chinese: Microbeam analysis -

GB/T 20725-2025_Chinese: Microbeam analysis - Electron probe microanalysis - Guidelines for qualitative point analysis by wavelength dispersive X-ray spectrometry (Chinese: 微束分析 电子探针显微分析 波谱法定性点分析导则)

1-2025_Chinese: Norm of water intake for service industry in the Yellow River basin - Part 1: Hotel (Chinese: 黄河流域服务业用水定额 第1部分：宾馆)

English versions: GB 45188-2024

5-2024_Chinese: Condition monitoring and diagnostics of machines - Requirements for qualification and assessment of personnel - Part 5: Lubricant laboratory technician/analyst (Chinese: 机器状态监测与诊断 人员资格与人员评估的要求 第5部分：润滑剂实验室技术人员/分析人员)

GB/T 23453-2025 Chinese PDF (GB /T23453-2025) GB/T 13963-2025 GB/T 20725-2025_Chinese: Microbeam analysis -GB T 23453 2025_Chinese: Natural limestone slab for building (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23453 2025