PCB UL認證，這是什麼鬼？詳細介紹這個UL認證的知識，乾貨 ... | 北市公共場所AED急救網

2018年9月12日—原創：臥龍會皮希彼.常常PCB板子生產出去後，有客戶會回來問：你們的PCB​材料用的什麼？等級是什麼？。然後我一臉懵逼，他們想知道啥？

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