GB/T 31402-2023 Chinese PDF (GB/T31402-2023) GB/T 45644-2025 GB/T 29899-2024_Chinese: Determination of the

GB/T 29899-2024_Chinese: Determination of the emission of volatile organic compounds from wood-based panels and furnishing products - Small chamber method (Chinese: 人造板及其制品中挥发性有机化合物释放量试验方法 小型释放舱法)

3-2022_Chinese: Automatic electrical controls - Part 3: Particular requirements for thermal motor protectors (Chinese: 电自动控制器 第3部分：电动机热保护器的特殊要求)

304-2025_Chinese: National food safety standard - Determination of trivalent chromium and hexavalent chromium in foods (Chinese: 食品安全国家标准 食品中三价铬和六价铬的测定)

English versions: GB/T 19923-2024

7-2025_Chinese: Plastics - Polyether polyols for use in the production of polyurethane - Part 7: Determination of basicity (Chinese: 塑料 聚氨酯生产用聚醚多元醇 第7部分：碱性物质含量的测定)

GB/T 31402-2023 Chinese PDF (GB/T31402-2023) GB/T 45644-2025 GB/T 29899-2024_Chinese: Determination of theGB T 31402 2023_Chinese: Measurement of antibacterial activity on plastics and other non porous surfaces (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31402 2023