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GB191204245A
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Improvements in Ribbon Feeding and Reversing Mechanism of Typewriters.
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GB191204246A
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Type Locks of Typewriting Machines.
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CA158651A
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Type lock
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US1054397A
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Type-lock of type-writing machines.
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US1097215A
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Roller-bearing for type-writers.
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US1054396A
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Shift mechanism for type-writers.
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US1049565A
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Type-writer-carriage construction.
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US1034984A
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Paper-feeding mechanism for type-writers.
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US993585A
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Escapement mechanism for type-writers.
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US997374A
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Line-lock for type-writers.
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US988551A
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Back-spacer for type-writers.
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US1003345A
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Ribbon-reverse mechanism for type-writers.
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US993583A
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Tabulator mechanism for type-writers.
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US993584A
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Line-spacing mechanism for type-writers.
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US1025129A
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Type-writer.
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US632550A
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Thill-coupling.
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GB189600657A
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An Improved Cutter or Drill.
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US1115177A
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Ribbon mechanism for type-writers.
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