GB 39800.6-2023 Chinese PDF GB/T 30771-2024 GB/T 45556-2025_Chinese: Determination of pentosan

GB/T 45556-2025_Chinese: Determination of pentosan content in plant-derived products - Gas chromatography/mass spectrometry method (Chinese: 植物源产品中戊聚糖含量的测定 气质联用法)

GB/T 45016-2024_Chinese: Test methods for mechanical automatic tensioner of accessory belt drive system of engine (Chinese: 发动机附件带传动系统机械式自动张紧轮试验方法)

GB/T 44971-2024_Chinese: Soil selenium grade (Chinese: 土壤硒含量等级)

GB/T 28906-2025_Chinese: Hot-rolled steel wire rod for cold heading (Chinese: 冷镦钢热轧盘条)

English versions: GB/T 45558-2025

GB 39800.6-2023 Chinese PDF GB/T 30771-2024 GB/T 45556-2025_Chinese: Determination of pentosanGB 39800. 6 2023_Chinese: Specifications for the provision of personal protective equipment Part 6: Electric power industry (Chinese: 6) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 39800. 6 2023