GB/T 23595.7-2025 Chinese PDF (GB /T23595.7-2025) GB 31604.31-2025

GB/T 23595.7-2025 Chinese PDF (GB /T23595.7-2025) GB 31604.31-2025GB T 23595. 7 2025_Chinese: Test methods of rare earth phosphors for LED Part 7: Determination of thermal quenching (Chinese: LED 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23595. 7 2025

English versions: GB/T 11730-2025

English versions: GB/T 30844

GB/T 24498-2025_Chinese: Gaskets for doors

English versions: GB/T 24894-2025

English versions: GB/T 15268-2024

GB/T 17821-2025_Chinese: Rubber latex - Determination of density between 5 ℃ and 40 ℃ (Chinese: 胶乳 5℃至40℃密度的测定)

GB/T 22452-2025_Chinese: General specification of non-linear optical borate crystal devices (Chinese: 硼酸盐非线性光学单晶元件通用规范)

English versions: GB/T 13460-2025

3-2025_Chinese: Non-destructive testing - Ultrasonic testing block - Part 3: Calibration block for curved surface (Chinese: 无损检测 超声检测试块 第3部分：曲面检测标准试块)

GB/T 32158-2025_Chinese: Coal-based needle coke (Chinese: 煤系针状焦)

1-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 1: Powder form (Chinese: 外科植入物 超高分子量聚乙烯 第1部分：粉料)

GB/T 31379