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GB/T 45252-2025 Chinese PDF (GB /T45252-2025) GB/T 45140-2025 English versions: GB/T 45139-2024

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English versions: GB/T 45139-2024

English versions: GB/T 30416-2024

GB/T 26882

GB/T 40064-2024_Chinese: Guidelines for assessment of energy saving technologies (Chinese: 节能技术评价导则)

GB/T 45252-2025 Chinese PDF (GB /T45252-2025) GB/T 45140-2025 English versions: GB/T 45139-2024GB T 45252 2025_Chinese: Securities trading exchange protocol (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45252 2025

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