GB/T 45286-2025 Chinese PDF (GB /T45286-2025) GB/T 45309-2025 GB/T 20244-2025_Chinese: Fiber optic elements

GB/T 20244-2025_Chinese: Fiber optic elements for image transmission (Chinese: 光学纤维传像元件)

English versions: GB/T 45059-2024

English versions: GB/T 45060-2024

GB/T 44948-2024_Chinese: Sampling requirements and assessment for metal streamline of steel die forging parts (Chinese: 钢质模锻件金属流线取样要求及评定)

English versions: GB/T 45139-2024

GB/T 45286-2025 Chinese PDF (GB /T45286-2025) GB/T 45309-2025 GB/T 20244-2025_Chinese: Fiber optic elementsGB T 45286 2025_Chinese: Information technology Technical specification of the augmented reality system for handheld mobile devices (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45286 2025