4. Typewriting machines
  5. Key-board or key lever-actuating mechanism
  6. Key-cap or key-stem structure

Marvin Crenshaw

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Device for transmitting rotary motion to a plate-holding...

Printing – Rolling contact machines – Rotary
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Fixing apparatus in which fixing speed is switched during...

Electrophotography – Cleaning of imaging surface – Fibrous brush
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Image forming apparatus

Electrophotography – Document handling – Copy
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Image forming apparatus

Electrophotography – Document handling – Copy
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Intaglio printer

Printing – Intaglio – Rotary
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Profile ID: LFUS-PAI-P-2445723

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