
HD 631.4 S1 Ed. 1. Electric cables. Accessories. Material characterisation. Part 4. Fingerprinting for cold shrinkable components for low and medium voltage applications up to 20, 8/36(42) kV
出版:British Standards Institution

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HD 631.4 S1 Ed. 1. Electric cables. Accessories. Material characterisation. Part 4. Fingerprinting for cold shrinkable components for low and medium voltage applications up to 20, 8/36(42) kV
出版:British Standards Institution
专家解读视频