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GB 29140-2024_Chinese: Norm of energy consumption per unit production of soda ash (Chinese: 纯碱单位产品能源消耗限额)
English versions: GB 4343
7-2024_Chinese: Methods for chemical analysis of silver - Part 7: Determination of gold and palladium content - Inductively coupled plasma emission spectrometry (Chinese: 银化学分析方法 第7部分：金、钯量的测定 电感耦合等离子体发射光谱法)
English versions: GB/T 7019-2024
English versions: GB/T 29043-2023
GB/T 23802-2023 Chinese PDF (GB/T23802-2023) GB/T 38178.1-2025 GB 29140-2024_Chinese: Norm of energyGB T 23802 2023_Chinese: Petroleum and natural gas industries Technical delivery conditions of corrosion resistant alloy seamless tubular products for use as casing, tubing, coupling stock and accessory material (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23802 2023
