GB/T 45531-2025 Chinese PDF (GB /T45531-2025) GB/T 30544.3-2025 GB/T 45166-2024_Chinese: Non-destructive testing -

GB/T 45166-2024_Chinese: Non-destructive testing - Infrared thermographic testing - General principles (Chinese: 无损检测 红外热成像检测 总则)

English versions: GB 15605-2024

English versions: GB/T 21478-2024

monoculars and spotting scopes - Part 2: High performance instruments (Chinese: 光学和光子学 双筒望远镜、单筒望远镜和观测镜规范 第2部分：高性能仪器)

5-2024_Chinese: Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 3: Environmental requirements

GB/T 45531-2025 Chinese PDF (GB /T45531-2025) GB/T 30544.3-2025 GB/T 45166-2024_Chinese: Non-destructive testing -GB T 45531 2025_Chinese: Guidelines for establishing single submission portal of international trade (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45531 2025