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Pencil-Sharpener. - The Portal to Texas History

Pencil-Sharpener. - The Portal to Texas History

Patent US8205649 - Cutter assembly and electric pencil sharpener

Patent US8205649 - Cutter assembly and electric pencil sharpener

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ELECTRIC PENCIL SHARPENER WITH A REPLACEABLE CUTTER ASSEMBLY - Patent

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Patent US3678975 - Electric pencil sharpener - Google Patents

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Mechanism Description: Electric Pencil Sharpener - Wisc-Online OER

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Electronic Pencil Sharpener - Patent application

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Patent US3134365 - Electric pencil sharpener - Google Patents

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