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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

thermal-overload burnout test apparatus - 热过载试验设备,热过载烧焦试验设备 （0） 投诉

wzg196

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

2

rolling skin - 结疤(轧件缺陷) （0） 投诉

2