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[国外标准] IEC 60227-4:2024 Polyvinyl chloride iulated?cables of rated voltages up to and including 450/750V Part 4

986314968

P:2024-04-08 16:56:38

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IEC 60227-4:2024 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V Part 4:.pdf

IEC 60227-4:2024 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V Part 4:.pdf

IEC 60227-4:2024 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V Part 4:.pdf

Hard Drawn Copper Wire - 冷拉铜线，硬铜线，铜线经过伸线后，没有加以软（Annealed）通常用于需要机械强度较大之场所，早期之电话架空明线，即使用硬铜线 。 （0） 投诉

wzg196

P:2024-04-09 20:18:40

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pencil hardness - 铅笔硬度(漆包线性能指标之一(溶剂试验)) （0） 投诉

2