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Patents
Typewriting Machines Patents
With Control Of "carbon Paper" For Typing Plural Simultaneous Copies By Single Impression (e.g., On "manifold Set") Patents
Including Spool Or Support For Roll Of Carbon Paper Patents
Feed Mechanism For Feed From Roll Of Carbon Paper Patents
With Retraction Of Carbon Paper For Reuse Thereof (e.g., By Slidable Carrier) Patents
Carbon Paper Rewound For Retraction Patents (Class 400/511.3)
Carbon Paper Rewound For Retraction Patents (Class 400/511.3)
By driving carbon paper roll directly from platen (e.g., by endless band) (Class 400/511.4)
There are no patents to show for this class.