电工电子设备按电击防护分类 第2 部分：对电击防护要求的导则 idt IEC536-2：1992 GB-T12501.2-1997 Classification of electrical and electronic equipment wifh reqard to protection against electric shock Part2:Guidelines to requirements for protection against electic shock 自 1...

时间:2025-01-26 19:53栏目:行业资料