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Apparatus for automatically turning page of book

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Reexamination Certificate

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Apparatus for the presentation of reading materials

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Patent

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Automatic induction device for turning pages

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Reexamination Certificate

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Computer typing aid

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Reexamination Certificate

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Copy holder

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Patent

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Copyholder

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Patent

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Digital-to-analog converter device for processing PCM signals of

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Patent

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Power operated copyholder

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Patent

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Reading aid apparatus, especially a copyholder for typewriters

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Patent

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Scrolling display device for fan-folded printout paper

Card – picture – or sign exhibiting – Copyholder – Including copy-advancing means
Patent

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