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control and laboratory use - Part 5: Particular requirements for laboratory centrifuges (Chinese: 测量、控制和实验室用电气设备的安全要求 第5部分：实验室用离心机的特殊要求)
GB/T 19799
English versions: GB 28008-2024
GB/T 1480-2025_Chinese: Metallic powders - Determination of particle size by dry sieving (Chinese: 金属粉末 干筛分法测定粒度)
GB 28286-2024 Chinese PDF GB/T 45030-2024 control and laboratory use -GB 28286 2024_Chinese: General requirements of industrial explosive (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 28286 2024
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