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GB/T 26871-2024_Chinese: Metallographic examination methods of the electrical contact materials (Chinese: 电触头材料金相试验方法)
1-2024_Chinese: Explosive atmospheres - Electrical resistance traces heating - Part 1: General and testing requirements (Chinese: 爆炸性环境 电阻式伴热器 第1部分：通用和试验要求)
English versions: GB/T 15105-2024
English versions: GB/T 21294-2024
GB/T 12417
GB/T 28869.2-2023 Chinese PDF (GB/T28869.2-2023) GB/T 30137-2024 GB/T 26871-2024_Chinese: Metallographic examination methodsGB T 28869. 2 2023_Chinese: Cores made of soft magnetic materials Measuring methods Part 2: Magnetic properties at low excitation level (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28869. 2 2023
US$ 4084.50
US$ 11604.50
