| http://www.w3.org/ns/prov#value | - Therefore, there can be provided a plurality of lowering devices which will be described in detail in conjunction with FIG. 6, and whosenumber corresponds to the number of stations B, C, D, E. Preferably, there are several, e.g. three grippers for each container and each gripper may feed a separate container or all the grippers of one station may feed a single container whichaccommodates several i
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