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English versions: GB/T 45142-2025
24-2025_Chinese: Iron ores - Determination of total rare earth contents - Arsenazo Ⅲ spectrophotometric method (Chinese: 铁矿石 稀土总量的测定 偶氮胂Ⅲ分光光度法)
GB/T 45130-2025_Chinese: Zinc-aluminum oxide target (Chinese: 氧化锌铝靶材)
GB/T 45279
English versions: GB/T 45610-2025
GB 21343-2023 Chinese PDF GB/T 28906-2025 English versions: GB/T 45142-2025GB 21343 2023_Chinese: The norm of energy consumption per unit production of calcium carbide, vinyl acetate, polyvinyl alcohol, 1, 4 butanediol, dicyandiamide and monocyandiamide (Chinese: 14 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 21343 2023
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