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GB/T 19277
507-2025_Chinese: Laser display devices - Part 5-7: Measuring methods of image quality affected by speckle for scanning laser displays (Chinese: 激光显示器件 第5-7部分：激光扫描显示在散斑影响下的图像质量测试方法)
GB/T 13671-2025_Chinese: Electrochemical test method for crevice corrosion of stainless steel (Chinese: 不锈钢缝隙腐蚀电化学试验方法)
English versions: GB 17167-2025
English versions: GB/T 34750-2025
GB/T 33555-2025 Chinese PDF (GB /T33555-2025) GB/T 22249-2024 GB/T 19277GB T 33555 2025_Chinese: Cleanrooms and associated controlled environments Technical requirements of electrostatic control (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33555 2025
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