GB/T 37400.18-2023 Chinese PDF (GB/T37400.18-2023) GB/T 20405.3-2024 English versions: GB/T 45016-2024

English versions: GB/T 45016-2024

25-2024_Chinese: Test method for building sealants - Part 25: Determination of resistance to mold (Chinese: 建筑密封材料试验方法 第25部分：耐霉菌性的测定)

GB 19083-2023_Chinese: Protective face mask for medical use (Chinese: 医用防护口罩)

10-2023_Chinese: Resin based reactive compounds used for electrical insulation - Part 10: Polyesterimide resin composite (Chinese: 电气绝缘用树脂基活性复合物 第10部分：聚酯亚胺树脂复合物)

21-2025_Chinese: Test method for noise of household and similar electrical appliances - Part 21: Particular requirements for oral hygiene appliances (Chinese: 家用和类似用途电器噪声测试方法 第21部分：口腔卫生器具的特殊要求)

GB/T 37400.18-2023 Chinese PDF (GB/T37400.18-2023) GB/T 20405.3-2024 English versions: GB/T 45016-2024GB T 37400. 18 2023_Chinese: Heavy mechanical general technical specification Part 18: Opening gear drives system (Chinese: 18) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37400. 18 2023