Specification for power - driven derrick cranes 动力驱动悬臂式起重机规范
2.
Specification for power - driven travelling jib cranes rail - mounted low carriage type 动力驱动的动臂式起重机
3.
Specification for continuous mechanical handling equipment - safety requirements - unit loads : arm elevators and push bar conveyors 连续式机械装卸设备规范.安全性要求.第13部分:成组货件:悬臂式起重机与推杆式输送机