JB/T 7565.2-2015 隔爆型三相异步电动机技术条件 第2部分：YB3-W、YB3-TH、YB3-THW、YB3-TA、YB3-TAW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 : 2024-09-08 17:53:38
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