首页> 外国专利> Braking device for hoisting equipment, which are driven by a three-phase motor, which is a function of a network of normal frequency to a network can be switched low frequency

Braking device for hoisting equipment, which are driven by a three-phase motor, which is a function of a network of normal frequency to a network can be switched low frequency

机译:由三相电动机驱动的用于起重设备的制动装置,该装置可以将低频功率转换为正常频率的网络到低频的网络

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