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GB 19083-2023_Chinese: Protective face mask for medical use (Chinese: 医用防护口罩)
GB 44703-2024_Chinese: General requirements for optical radiation safety (Chinese: 光辐射安全通用要求)
GB/T 27665-2024_Chinese: Test method for lasing capability of Nd: YAG laser rods (Chinese: 掺钕钇铝石榴石激光棒激光性能测量方法)
GB/T 23113-2023_Chinese: Sample preparation for measurement of mercury level in discharge lamp (Chinese: 放电灯含汞量检测的样品制备)
English versions: GB/T 44940-2024
GB/T 22924-2024 Chinese PDF (GB/T22924-2024) GB/T 23263-2024 GB 19083-2023_Chinese: Protective face maskGB T 22924 2024_Chinese: Determination of biuret content for compound fertilizers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22924 2024
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