| 摘要 |
A system for stacking and/or unstacking stackable units in a units-handling installation, wherein the system comprises a frame carrying holding means for taking a stackable unit at a time from a stack of units and remove the units, one at a time, from the stack, and for taking units provided at the system to stack them into a stack of units, and conveyor means for receiving units to be stacked and delivering unstacked units out of the system.
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