| http://www.w3.org/ns/prov#value | - Apparatus as set forth in claim 1, wherein said suction means include a first suction box having a side open toward said receptacle space, and said guide means include a plurality of guide pulleys for guiding said front part over the open side of said suction box, said suction means further including means for alternatingly withdrawing air from said suction box and for venting said suction box to
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