GB 4234.9-2023 Chinese PDF GB/T 33588.1-2025 English versions: GB/T 31126

English versions: GB/T 31126

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 43707-2025_Chinese: Scientific data provenance metadata (Chinese: 科学数据溯源元数据)

English versions: GBZ45378-2025

GB/T 45454-2025_Chinese: Compression and injection moulds - Components for gating systems (Chinese: 压缩模和注射模 浇注系统零件)

GB 4234.9-2023 Chinese PDF GB/T 33588.1-2025 English versions: GB/T 31126GB 4234. 9 2023_Chinese: Implants for surgery Metallic materials Part 9: Wrought high nitrogen stainless steel (Chinese: 9) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 4234. 9 2023