DE366725C
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Typewriter with an easily releasable connection between the paper trolley and the frame
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US1380788A
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Type-bar mechanism
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US1382349A
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Typewriter with detachable platen-carriage
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GB191511732A
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Improvements in or relating to the Type-bar Mechanism of Typewriters and the like.
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GB191511731A
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Improvements in or relating to Tabulator Mechanism for Typewriters.
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GB191511680A
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Improvements in or relating to Shift-key Mechanism of Typewriters.
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GB191511681A
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Improvements in or relating to the Shift-key Mechanism of Typewriters and the like.
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GB191501497A
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Improvements in or relating to Line-spacers for Typewriters.
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GB191227628A
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Improvements in or relating to Platen-carriages for Typewriters and the like.
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