Method for synchronously retracting and extending telescopic...
Method for the control of a harmonically oscillating load
Method for transfer of crane from tower
Method of and apparatus for controlling stacking of a load...
Method of controlling the angle of a pivotal boom with extensibl
Method of converting off-shore installed pedestal cranes...
Method of extending a jib of a telescopic crane
Method of handling a load with a crane vessel having movable loa
Method of handling slabs by an overhead traveling crane provided
Method of operating a crane
Method of operating a crane
Methods and apparatus for supporting a davit arm
Mobile lift crane with variable position counterweight