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2 (Chinese: 无损检测 超声检测试块 第2部分：2号标准试块)
GB/T 20840
GB/T 28185-2025_Chinese: Heat exchange unit for urban heating (Chinese: 城镇供热用换热机组)
GB/T 45131-2025_Chinese: Analysis of water used in boiler and cooling system - Determination of phosphate
English versions: GB/T 26846-2024
GB/T 45172-2024 Chinese PDF (GB /T45172-2024) GB 31604.62-2025 2 (Chinese: 无损检测 超声检测试块 第2部分：2号标准试块)GB T 45172 2024_Chinese: Sensory analysis methodology Guidelines for the measurement of the performance of a quantitative descriptive sensory panel (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45172 2024
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US$ 38.00
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US$ 28.50
