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| 文档标题： | 旋转开关 |
| 发布时间： | 2014-04-05 00:00:00 |
| 文档简介： | This is a rotary switch of the type I've used in amplifiers. these are marked 'ELMA' and are exquisitely made. The model represents a single pole version. my dual pole versions simply have two stops and a split internal common. in other wo |