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US2137851A
|
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Printing machine
|
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DE392464C
|
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Device for controlling typewriters
|
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DE381277C
|
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Release device for driving typewriters
|
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DE374369C
|
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Drive for typewriters
|
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GB167978A
|
|
Improvements in mechanism for automatically operating typewriters, musical instruments, and the like
|
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GB166066A
|
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Stop mechanism for automatic typewriter operating mechanism
|
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US1360789A
|
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Typewriter-carriage-operating mechanism
|
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US1357515A
|
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Stop mechanism for automatic typewriter-operating mechanism
|
|
CA228052A
|
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Mechanism for operating typewriter levers
|
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CA209336A
|
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Stop mechanism for type operating mechanism
|
|
CA330539A
|
|
Sound amplifying system
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CA209335A
|
|
Mechanism for operating levers
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