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English versions: GB 45247-2025
English versions: GB/T 17145-2024
GB/T 27995
GB/T 17818-2025_Chinese: Determination of vitamin D3 in feeds - High-performance liquid chromatography (Chinese: 饲料中维生素D3的测定 高效液相色谱法)
241-2025_Chinese: Electricity metering equipment - General requirements
GB/T 24851-2024 Chinese PDF (GB /T24851-2024) GB/T 22211-2025 English versions: GB 45247-2025GB T 24851 2024_Chinese: Specification for equipping and managing of measuring instrument of energy in building material industry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24851 2024
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