ICS 29.160CCS K 20中华人民共和国国家标准GB/T 20834—2024发电电动机技术要求Technical requirements for motor-generator代替 GB/T 20834—20142024-09-29 发布2025-04-01 实施国家市场监督管理总局国家标准化管理委员会发 布目　　次前言 ·······························································...