Launching girder crane - Henan Hengyuan Crane Machinery ...
2018-11-14 · Launching girder crane. A bridge launching girder crane is a device that places prefabricated beams on a prefabricated pier, this type bridge girder launcher is a special-purpose mobile gantry crane used in bridge construction. The bridge launcher girder crane belongs to the category of cranes because its main function is to lift the beam and then transport it to the position and then lower it.
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