GB/T 23454-2025 Chinese PDF (GB /T23454-2025) GB/T 10781.10-2024 4-2025_Chinese: Test methods of rare

4-2025_Chinese: Test methods of rare earth phosphors for LED - Part 4: Determination of high temperature and high humidity property (Chinese: LED用稀土荧光粉试验方法 第4部分：高温高湿性能的测定)

GB/T 22385-2025_Chinese: Specification for acceptance of dam safety monitoring system (Chinese: 大坝安全监测系统验收规范)

English versions: GB/T 12279

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)

3-2025_Chinese: Test methods of rare earth phosphors for LED - Part 3: Determination of chromaticity coordinates (Chinese: LED用稀土荧光粉试验方法 第3部分：色品坐标的测定)

GB/T 23454-2025 Chinese PDF (GB /T23454-2025) GB/T 10781.10-2024 4-2025_Chinese: Test methods of rareGB T 23454 2025_Chinese: Stone plate for vanity and countertop and windowsill (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23454 2025