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GB/T 45131-2025_Chinese: Analysis of water used in boiler and cooling system - Determination of phosphate
1-2025_Chinese: China standard time - Part 1: General principle (Chinese: 中国标准时间 第1部分：通则)
English versions: GB/T 45096-2024
English versions: GB/T 10322
GB/T 33290.23-2024 Chinese PDF (GB/T33290.23-2024) GB/T 33563-2024 GB/T 45131-2025_Chinese: Analysis of waterGB T 33290. 23 2024_Chinese: Specification for inspecting exit cultural relics Part 23: Glassware (Chinese: 23) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33290. 23 2024
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