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现行 GB/T 21971-2020
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YZD系列起重用多速三相异步电动机 技术条件 YZD series multi-speed three-phase induction motors for crane application—Technical specification
发布日期: 2020-11-19
实施日期: 2021-06-01
本标准规定了YZD系列起重用多速三相异步电动机的型式、基本参数与尺寸、技术要求、试验方法、检验规则以及标志、包装与保用期。本标准适用于各种起重机械电力传动用多速三相异步电动机(机座号112250)以下简称“电动机”),凡属本系列电动机所派生的各种系列电动机均可参照执行
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现行
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