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English versions: GB/T 45266-2025
GB/T 45309-2025_Chinese: Guidelines for classification and coding of enterprise procurement supplies (Chinese: 企业采购物资分类编码指南)
GB/T 28807
GB/T 45085-2024_Chinese: Specification for network information evidence preservation of recyclable resources recovery (Chinese: 再生资源回收利用网络信息存证规范)
English versions: GB/T 45134-2025
GB/T 45226-2025 Chinese PDF (GB /T45226-2025) GB/T 21551.3-2024 English versions: GB/T 45266-2025GB T 45226 2025_Chinese: Product lifecycle data model based on BOM (Chinese: BOM) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45226 2025
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