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GB/T 45539-2025_Chinese: Technical requirements of proton exchange membrane eletrolyzer (Chinese: PEM电解槽技术要求)
English versions: GB 45187-2024
YY/T 1944-2024_Chinese: Particular specification for medical X-ray high voltage generator (Chinese: 医用X射线高压发生器专用技术条件)
GB/T 44879-2024_Chinese: Identification requirements of engineering machinery products based on OID (Chinese: 基于OID的工程机械产品标识要求)
English versions: GB/T 45597-2025
GB/T 20776-2023 Chinese PDF (GB/T20776-2023) GB 21343-2023 GB/T 45539-2025_Chinese: Technical requirements ofGB T 20776 2023_Chinese: Classification for lifting appliances (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20776 2023
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