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| US4676496 | 3 Dic 1984 | 30 Jun 1987 | Ferag AG | Method and apparatus for supplying printed products to a continuously operating processing line |
| US4771896 | 30 Jun 1986 | 20 Sep 1988 | | Apparatus for forming a running shingle of documents |
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| US5096370 | 3 Oct 1990 | 17 Mar 1992 | | Device for the transfer of a part stack of material in sheet form from a general stack to a further-processing station |
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| US5149076 | 10 Jul 1989 | 22 Sep 1992 | | Envelope feeder with adjustable constant overlap |
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| US5636832 | 23 Mar 1995 | 10 Jun 1997 | Ferag AG | Apparatus for feeding sheet-like products to a discharge location |
