
BS EN 60317-12. Specifications for particular types of winding wire. Part 12. Polyvinyl acetal enamelled round copper wire, class 120
出版:British Standards Institution

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BS EN 60317-12. Specifications for particular types of winding wire. Part 12. Polyvinyl acetal enamelled round copper wire, class 120
出版:British Standards Institution
专家解读视频