GB/T 17273-2023 Chinese PDF (GB/T17273-2023) GBZ27032-2025 LED luminaires and LED modules

LED luminaires and LED modules for horticulture lighting - Performance specifications (Chinese: 植物照明用LED灯、LED灯具和LED模块 性能规范)

GB/T 19396-2025_Chinese: Terbium-dysprosium-iron magnetostrictive materials (Chinese: 铽镝铁磁致伸缩材料)

GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

GB/T 17925-2024_Chinese: Practice for X-ray digital radioscopic examination of cylinder weld (Chinese: 气瓶对接焊缝X射线数字成像检测)

3-2025_Chinese: Plastics - Thermomechanical analysis(TMA) - Part 3: Determination of penetration temperature (Chinese: 塑料 热机械分析法（TMA） 第3部分：针入温度的测定)

GB/T 17273-2023 Chinese PDF (GB/T17273-2023) GBZ27032-2025 LED luminaires and LED modulesGB T 17273 2023_Chinese: Freight containers Equipment data exchange General communication codes (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17273 2023