
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)

專家解讀視頻
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)
專家解讀視頻