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GB729024A
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Means for detachably fastening a typewriter in its case
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GB731225A
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An escapement mechanism for the paper carriage of typewriters or the like machines
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GB726394A
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A control system for electric motors
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GB745751A
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Improvements in and relating to the construction of typewriters
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US2686584A
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Apparatus for reciprocating paper carriage of adding machines
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GB740009A
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A calculating machine with reciprocating paper carriage
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GB716308A
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Means for detachably fastening a typewriter in a case
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GB728158A
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A typewriter with a keyboard adapted for scripts with combined characters (ligatures)
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GB711115A
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A key button for typewriters and like devices
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GB728149A
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A typewriter adapted to write ligatures
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GB720053A
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An escapement mechanism for typewriters and like office machines
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GB716830A
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A keyboard for ten-key calculating machines
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DE904355C
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Method and device for measuring the bearing play of type levers
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DE918966C
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Adding machine with shaker trolley
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GB720192A
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A device for locking the carriage and the keys of typewriters
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DE885711C
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Accent writing device for oriental languages
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DE913182C
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Device for detachable attachment of a typewriter in a suitcase
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DE911204C
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Retaining element for movable machine parts, especially adjusting ring for calculating and booking machines
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DE882406C
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Switching bridge for typewriters
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DE891844C
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Key button made of molded compound
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