JB/T 7565.3-2015 隔爆型三相异步电动机技术条件 第3部分：YB3-F1、YB3-WF1、YB3-F2、YB3-WF2系列隔爆型三相异步电动机(机座号63～355)
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文档分类 : 行业标准
更新时间 : 2024-09-10 15:20:37
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