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GB/T 23480-2025_Chinese: Small hole drilling electrical discharge machines - Testing of the accuracy (Chinese: 电火花小孔加工机床 精度检验)
GB/T 10184-2025_Chinese: Performance test code of practice for utility boiler (Chinese: 电站锅炉性能试验规程)
GB/T 20854-2025_Chinese: Corrosion of metals and alloys - Accelerated testing involving cyclic exposure to salt mist
English versions: GB/T 12008
GB/T 17215.241-2025 Chinese PDF (GB /T17215.241-2025) GB 31604.61-2025 GB/T 23480-2025_Chinese: Small hole drillingGB T 17215. 241 2025_Chinese: Electricity metering equipment General requirements, tests and test conditions Part 41: Energy registration methods and requirements for multi energy and multi rate meters (Chinese: 41) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17215. 241 2025
