JB/T 7565.7-2016 隔爆型三相异步电动机技术条件第7部分∶ YBGB3、YBGB3-W系列管道泵、户外管道泵用隔爆型三相异步电动机（机座号 80～315）
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文档分类 : 行业标准
更新时间 : 2024-11-07 09:49:47
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