GB275506A
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Improvements in back-spacing mechanism for typewriting machines
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GB275860A
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Improvements relating to sound deadening casings for typewriting machines
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US1646394A
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Typewriting machine
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GB274694A
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Improvements relating to web-feeding arrangements for typewriting machines
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GB273150A
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Improvements in billing attachments for typewriting machines
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US1614604A
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Typewriting machine
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US1619602A
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Silencing device for typewriters
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GB257525A
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Improvements in ink ribbon mechanism for typewriting machines
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GB259130A
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Improvements in typewriting machines
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US1609435A
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Typewriting machine
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GB258207A
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Improved paper-feeding mechanism for typewriting machines
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GB272285A
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Improvements in line-spacing mechanism for typewriting machines
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GB260202A
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Improvements in back-spacing mechanism for typewriting machines
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GB262996A
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Improvements in carriage-feeding mechanism for typewriting machines
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GB256494A
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Improvements in typewriting machines
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GB254219A
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Improvements in base boards for typewriting machines
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US1646966A
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Typewriting machine
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US1604636A
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Typewriting machine
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US1604635A
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Typewriting machine
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US1638461A
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Stenciling machine
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