The G beam and ardently the bur dedicated hoisting accessory

摘要

(57) Abstract Topic With the metal to designate the Tip as the shape of character of ko, the latchTo pass to the hole of the both ends of the flange of the H steel with the column hoisting accessory, 2 1It is the hoisting accessory which is used with tupple. Solutions Job is quick with this device safelyThe ri, also to be few for the worker to move on the beam, immediately in the landBecause it can hang also those which you put the steel-frame assembly and document merge tupple jobIt is useful to substantial improvement.