GB/T 41869.4-2024 Chinese PDF (GB /T41869.4-2024) GB/T 12279.3-2025 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)

English versions: GB/T 31033-2025

GB/T 30134-2025_Chinese: Specification for cold store management (Chinese: 冷库管理规范)

English versions: GB/T 33796-2025

GB/T 41869.4-2024 Chinese PDF (GB /T41869.4-2024) GB/T 12279.3-2025 GB/T 20725-2025_Chinese: Microbeam analysis -GB T 41869. 4 2024_Chinese: Optics and photonics Microlens arrays Part 4: Test methods for geometrical properties (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 41869. 4 2024