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US3682471A
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Device for extracting blanks from a stack
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US3672667A
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Apparatus for staggering blanks of sheet material
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GB1153615A
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Process and Machine for the Automatic Production of Envelopes formed by Buckle-Folding
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DE1211916B
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Process for the production of envelopes, bags and similar workpieces and machine for its implementation
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DE921243C
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Roller folding machine working from the roll for the production of envelopes and flat bags
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DE430983C
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Drying chain for machines for the production of envelopes or bags of various sizes
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DE360833C
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Folding device for envelope u. like machines
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GB191513826A
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Improvements in Punches or Stamps for Envelope and the like Machines.
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GB190301043A
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Folding Mechanism for Envelope Machines.
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GB190104612A
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An Improved Delivery Apparatus and Counter for Envelope and Bag Folding Machines.
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