GB226780A
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Improvements in or relating to key levers for type-writing machines
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GB223568A
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Improvements in type-writing machines of the type-lever class
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GB224517A
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Improvements in paper carriages for type-writing machines
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GB226779A
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Improvements in type-writing machines
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GB224516A
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Improvements in margin mechanism for type-writing machines
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GB223567A
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Improvements in type-lever carriers for type-writing machines
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GB224515A
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Improvements in ink-ribbon mechanism for type-writing machines
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