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GB/T 24438
GB 17167-2025_Chinese: General rules for energy measuring instrument equipping and managing of energy user (Chinese: 用能单位能源计量器具配备和管理通则)
GB 12664-2024_Chinese: General technical requirements for portable X-ray security inspection equipment (Chinese: 便携式X射线安全检查设备技术规范)
GB/T 22890
GB/T 22285-2025_Chinese: Duroc breeding pig (Chinese: 杜洛克猪种猪)
GB/T 3521-2023 Chinese PDF (GB/T3521-2023) GB/T 30958-2023 GB/T 24438GB T 3521 2023_Chinese: Methods for chemical analysis of graphite (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3521 2023
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US$ 12.99
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