GB/T 31379.1-2025 Chinese PDF (GB /T31379.1-2025) GB/T 10810.1-2025 GB/T 22939

GB/T 22939

2-2024_Chinese: Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 2: Coordination dimensions (Chinese: 电气和电子设备机械结构 户外机壳 第2部分：协调尺寸)

GB/T 29292-2024_Chinese: Footwear - Guidelines for the management and control of key chemicals in footwear and footwear components (Chinese: 鞋类 鞋类和鞋类部件中重点化学物质管控指南)

2-2025_Chinese: Motor vehicle coolant - Part 2: Electric vehicle coolant (Chinese: 机动车冷却液 第2部分：电动汽车冷却液)

1-2024_Chinese: Non-active surgical implants - Osteosynthesis and joint replacement implants - Part 1: Particular requirements for osteosynthesis implants (Chinese: 无源外科植入物 骨接合与关节置换植入器械 第1部分：骨接合植入器械特殊要求)

GB/T 31379.1-2025 Chinese PDF (GB /T31379.1-2025) GB/T 10810.1-2025 GB/T 22939GB T 31379. 1 2025_Chinese: Test methods for polarizers of flat panel displays Part 1: Physical and chemical properties (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31379. 1 2025