JB/T 7153.3-2020
Earth-moving machinery - Wheeled bulldozers - Part 3: Test methods 土方机械 轮胎式推土机 第3部分: 试验方法 |
JB/T 7124-2020
YE2-F series anti-corrosion type three-phase asynchronous motor technical conditions (frame size 63~355) YE2-F系列防腐蚀型三相异步电动机 技术条件(机座号63~355) |
JB/T 7076-2020
YEZS series lifting two-speed conical rotor brake three-phase asynchronous motor technical conditions YEZS系列起重用双速锥形转子制动三相异步电动机 技术条件 |
JB/T 5870-2020
Technical conditions of YZR series high-voltage wound rotor three-phase asynchronous motors for lifting and metallurgy (frame size 560~710) YZR系列起重及冶金用高压绕线转子三相异步电动机 技术条件(机座号560~710) |
JB/T 9583.2-2020
Gas-fueled generator sets - Part 2: Rated power, voltage and speed 气体燃料发电机组 第2部分:额定功率、电压及转速 |
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