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This standard specifies the model, technical requirements, test methods, inspection rules, marking, packaging, transportation and
This standard specifies the model, technical requirements, test methods, inspection rules, marking, packaging, transportation and
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, tr
This standard specifies the measurement of the Vickers hardness of the working layer and base layer of silver-based composite elec
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage
JB/T 7090-1993 Waste Heat Boiler Parameter Series Oxygen Converter Waste Heat Boiler JB/T7090-1993 Standard Download Decompression
This standard defines the terms related to high-voltage oscilloscopes; specifies the measurement accuracy that the oscilloscope mu
This standard specifies the main technical requirements, test methods and inspection rules for partial discharge detectors. This s