Cranes, hoists and winches - Safe use, Part 20: Self-erecting tower cranes
起重机、起重机和绞车.安全使用.第20部分:自架设塔式起重机
发布日期:
2005-07-01
规定了自架设塔式起重机的安全使用要求,包括规划、选择、选址、安装、维护、检查、维修和操作。
Specifies requirements for the safe use of self-erecting tower cranes, covering planning, selection, siting, installation, maintenance, inspection, repair and operation.