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2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)
GB/T 20424-2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: 重有色金属精矿产品中有害元素的限量规范)
10-2025_Chinese: Refractory mortars - Part 10: Determination of permanent change in dimensions on heating (Chinese: 耐火泥浆 第10部分：加热永久线变化试验方法)
GB/T 19212
English versions: GB 45185-2024
GB 28263-2024 Chinese PDF GB 4789.3-2025 2-2024_Chinese: Non-destructive testing - PenetrantGB 28263 2024_Chinese: Regulations of safety management for the civil explosive products production and sales enterprise (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 28263 2024
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