
Communication Cables - Part 2-23: Common Design Rules And Construction - Polyethylene Insulation For Multi-pair Cables Used In Access Telecommunication Networks
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Communication Cables - Part 2-23: Common Design Rules And Construction - Polyethylene Insulation For Multi-pair Cables Used In Access Telecommunication Networks
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频