DIN 13321:1980-09 Electric power engineering; components in three-phase networks, concepts, quantities and their letter symbols

标准编号：DIN 13321:1980-09

英文标题：Electric power engineering; components in three-phase networks, concepts, quantities and their letter symbols

德文标题：Elektrische Energietechnik; Komponenten in Drehstromnetzen, Begriffe, Größen, Formelzeichen

发布日期：1980-09

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