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US3157265A
(en)
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Print interlock for typewriter
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GB434436A
(en)
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Improvements in or relating to sheet feeding mechanism for printing mechanism applicable to statistical, calculating and like machines
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SE189738C1
(enExample)
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|
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US2905303A
(en)
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Escapement pawl control
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GB643868A
(en)
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Typewriting machine
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US1909715A
(en)
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|
pasinski |
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US2919781A
(en)
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Control mechanism for the motor of an electric typewriter
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US2647609A
(en)
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Carriage drive power control
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US1135500A
(en)
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|
Tabulating mechanism for adding-machines.
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|
US2896765A
(en)
|
|
Trip pawl control mechanism
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|
US3059751A
(en)
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|
Escapement mechanism for typewriter
|
|
US1591664A
(en)
|
|
Adding machine |
|
US2905296A
(en)
|
|
Type lever actuating mechanism
|
|
US2885053A
(en)
|
|
Strip feeding mechanism
|
|
US2079425A
(en)
|
|
Typewriting machine
|
|
US1801902A
(en)
|
|
Calculating- machine |
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US1989817A
(en)
|
|
Tape feeding machine
|
|
US1738144A
(en)
|
|
morton |
|
US2590335A
(en)
|
|
Selective keyboard clearing means |
|
US3547347A
(en)
|
|
Device for entering dividends correctly by digits and/or product ejecting in a calculating machine
|
|
US1945836A
(en)
|
|
Typewriting machine
|
|
US2223235A
(en)
|
|
Typewriting machine
|
|
US1270986A
(en)
|
|
Type-writing machine.
|
|
US3225885A
(en)
|
|
Carriage return mechanism driven by a temporarily overloaded induction motor
|
|
US945601A
(en)
|
|
Calculating-machine.
|