GB/T 41106.4-2021大型游乐设施检查、维护保养与修理第4部分:升降类标准
英文:Large-scale amusement devices—Inspection, maintenance and repair—Part 4: Sort of lifting rides GB/T 41106.4-2021介绍: 国...
英文:Large-scale amusement devices—Inspection, maintenance and repair—Part 4: Sort of lifting rides GB/T 41106.4-2021介绍: 国...