2023GB/T 783-2023 Lifting machinery basic parameter series
2013GB/T 783-2013 Lifting appliances.Range of maximum capacities for basic models
1987GB/T 783-1987 Lifting appliance--Range of maximum capacities
GB/T 783-2023 Lifting machinery basic parameter series has been changed from GB/T 790-1995 Overhead travelling crane--Span series and lifting height series.