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US20070227998 Rubber-tyred gantry crane using city electric supply as a power source  
The present invention discloses a rubber-tyred gantry crane using city electric supply as its power source, comprising a gantry, a feed circuit and a plurality of electromotors, said plurality of...
US20050242052 Method and apparatus for gantry crane sway determination and positioning  
A gantry crane system includes a frame structure having a plurality of vertical support legs and one or more members interconnecting predetermined pairs of the vertical support legs; and a...
Matches 1 - 2 out of 2