| 摘要 |
The invention relates to a transportation device comprising at least one surface on which objects are transported, said at least one surface having a plurality of openings (12, 14, 16), and a device for producing a vacuum to which the openings can be subjected. The invention is characterised in that the surface with the openings is a constituent part of a ring (10) or plate (10'), this ring or plate being rotation-driveable.
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