|
DE494599C
|
|
Table typewriter
|
|
GB220728A
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|
Improvements in or relating to line-spacing mechanism for power-operated typewriters
|
|
DE466314C
|
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typewriter
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|
DE454749C
|
|
Letter switching device for powered typewriters
|
|
DE435157C
|
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Power-driven typewriter
|
|
GB211966A
|
|
Improvements in or relating to power-operated typewriting machines
|
|
GB211954A
|
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Improvements in typewriting machines
|
|
DE429783C
|
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Ribbon switching device for powered typewriters
|
|
GB210894A
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Improvements in typewriting machines
|
|
GB210516A
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Improvements in or relating to ribbon-feeding mechanism for typewriters
|
|
US1485768A
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Typewriting machine
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|
GB208767A
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A power-operated case-shift mechanism for typewriting machines
|
|
US1469778A
|
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Typewriting machine
|
|
US1469777A
|
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Typewriting machine
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|
US1455109A
|
|
Case-shift mechanism
|
|
US1564758A
|
|
Typewriting-machine-cushioning foot
|
|
US1455111A
|
|
Ribbon shift and vibrating mechanism
|
|
US1455112A
|
|
Typewriting machine
|
|
US1503032A
|
|
Typewriting machine
|
|
US1503031A
|
|
Typewriting machine
|
