WebJul 20, 2024 · 2024年6月1日,《电力变压器能效限定值及能效等级》( GB 20052-2024)将正式实施,代替GB 20052-2013和GB 24790-2009(以下简称“旧版标准”),新标准各 … WebAbeBooks.com: Compilation of commonly used standard transmission technology (power transformer volume): Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pages Number: 903 Publisher: China Standard Pub. Date :2010-12-01 version 1. Contents: GB 1094.1-1996 Power transformers - Part 1 …
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GB 20052-2024_English: PDF (GB20052-2024) - Chinese Standard
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