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GB/T 24045-2024_Chinese: Environmental management - Eco-efficiency assessment of product systems - Principles
English versions: GB/T 18269-2024
GB/T 34874
1-2025_Chinese: Information technology - ASN
GB/T 45316-2025_Chinese: Determination of piperine content - Spectrophotometric method (Chinese: 胡椒碱含量的测定 分光光度法)
GB/T 17241.2-2024 Chinese PDF (GB/T17241.2-2024) GB/T 45287-2025 GB/T 24045-2024_Chinese: Environmental management -GB T 17241. 2 2024_Chinese: Cast iron pipe flanges Part 2: Class designated (Chinese: 2Class) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17241. 2 2024
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