GB/T 43403-2023道路车辆3.5t以下挂车连接球用焊接牵引支架疲劳试验后的质量检查国家标准
英文:Road vehicles—Trailers up to 3.5t—Control of welded towing brackets for coupling ball after fatigue testing GB/T 4340...
英文:Road vehicles—Trailers up to 3.5t—Control of welded towing brackets for coupling ball after fatigue testing GB/T 4340...