美利体育登录入口官网:DIN EN 61300-2-53 E:2012-03
光纤互连器件和无源组件 基本测试和测量程序 第2-53部分: 光纤外罩提供的防护等级 (IP代码65和67)
Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2-53: Degrees of protection provided by fibre optic housings (IP Code 65 and 67)