GB721802A
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Hop-picking machine
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US2645893A
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Hop picking machine
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GB685691A
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Improvements in or relating to a hop picking machine
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US2647521A
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Hop picking machine
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US2579689A
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Sack tie
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GB643821A
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Improvements in or relating to hop picking machine
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GB576059A
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Improvements in or relating to hop picking machines
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US2447122A
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Hop picking machine
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US2336280A
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Hop cluster stemmer
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US2226009A
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Hop separator
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US2211357A
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Hop picking machine
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US2193354A
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Vine grasper bar
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GB504331A
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Improvements in or relating to hop picking machines
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GB506703A
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Improvements in or relating to finger structure and supporting bar for a hop picking machine
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GB506477A
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Improvements in or relating to mechanism for separating hops from leaves, stems and other foreign material
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US2187526A
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Hop picking machine
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GB157309A
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Hop separator
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US1054551A
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Method of picking hops.
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US1054121A
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Hop-cluster machine.
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US1054122A
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Arm and cluster picker.
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