GB/T 25982-2024 Chinese PDF (GB /T25982-2024) GB/T 23718.5-2024 GB/T 28634-2025_Chinese: Microbeam analysis -

GB/T 28634-2025_Chinese: Microbeam analysis - Electron probe microanalysis - Quantitative point analysis for bulk specimens using wavelength dispersive X-ray spectroscopy (Chinese: 微束分析 电子探针显微分析 块状试样波谱法定量点分析)

English versions: GB/T 28029

English versions: GB/T 29865-2024

4-2025_Chinese: Uncut finished spectacle lenses - Part 4: Anti-reflective coatings test methods (Chinese: 眼镜镜片 第4部分：减反射膜试验方法)

GB/T 25982-2024 Chinese PDF (GB /T25982-2024) GB/T 23718.5-2024 GB/T 28634-2025_Chinese: Microbeam analysis -GB T 25982 2024_Chinese: Limits and measurement methods for bus interior noise (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25982 2024