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GB690736A
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Machines for grinding bulky materials to a colloidal fineness
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GB405712A
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Improvements in or relating to valve sacks or valve bags and to means for sealing them
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GB385109A
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Improvements in or relating to apparatus for treating material with gases
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US2003417A
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Feeding mechanism for filling machines
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GB380987A
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Improvements in or relating to the production of lumps of pulverous material
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US1995140A
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Bag support for filling machines
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US1882108A
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Method of and apparatus for sealing bag valves
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US2046761A
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Bag filling spout
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US2029403A
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Device for conveying finely divided material
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US1988676A
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Turbine for filling bags with finely divided materials
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GB367655A
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Improvements in or relating to multi-ply bags, and methods of making the same
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GB377972A
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Improvements in or relating to methods and machines for the manufacture of bags having crossed ends
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US2012116A
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Filling nozzle
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GB360580A
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Improvements in or relating to a process and apparatus for weighing and filling granular or pulverulent materials into receptacles particularly bags
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GB360547A
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A process and apparatus for separating dust from the waste gases of furnaces or kilns
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GB362517A
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Improvements in or relating to processes of burning material and apparatus therefor
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US1926421A
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Method and apparatus for manufacturing paper bags
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US1916293A
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Method and apparatus for manufacturing valve bags
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US1942159A
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Bag folding machine
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GB361318A
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Improvements in or relating to improved methods and machines for the manufacture of bags having crossed ends
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