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GB/T 29021-2023_Chinese: Petroleum drilling and production equipment - Beam pumping unit (Chinese: 石油天然气钻采设备 游梁式抽油机)
English versions: GB/T 27060-2025
lithium hydroxide monohydrate and lithium chloride - Part 1: Determination of lithium carbonate content - Titration (Chinese: 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第1部分：碳酸锂含量的测定 滴定法)
English versions: GB/T 22877-2023
307-2025_Chinese: National food safety standard - Determination of formaldehyde in foods (Chinese: 食品安全国家标准 食品中甲醛的测定)
GB/T 42236.1-2022 Chinese PDF (GB/T42236.1-2022) GB/T 22619-2023 GB/T 29021-2023_Chinese: Petroleum drilling andGB T 42236. 1 2022_Chinese: Electric bicycles centralized charging facilities Part 1: Technical specification (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42236. 1 2022
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