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US3316916A
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Hop picking machine
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US3102857A
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Power trommel
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US3106522A
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Hop separation flights
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US2983380A
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Method and equipment for separating hops from foreign material
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US2934152A
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Helicopter lift rotor controls
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US2836128A
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Vine carrier and storage apparatus for hop-picking machines
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US2728344A
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Hop vine cutter and picker
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US2757785A
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Vertical hop picker having endless carrier chain for hop vines, moving in a vertical plane
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US2685773A
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Method of harvesting and transporting hop vines
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US2681066A
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Apparatus for picking hops from hop branches and clusters and for separating leaves and stems therefrom
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US2677378A
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Method and apparatus for picking hops
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US2587604A
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Traveling mesh cluster picker, leaf and stem separator
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US2549061A
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Machine for shaping wire strands for screens
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US2475823A
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Petal saver and hop cleaner
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US2376128A
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Pocket trommel
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US2391138A
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Stationary type hop picking machine
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US1798313A
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Sleeve-valve engine
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