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Patent US3678975 - Electric pencil sharpener - Google Patents

Patent US3678975 - Electric pencil sharpener - Google Patents

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ELECTRIC PENCIL SHARPENER WITH A REPLACEABLE CUTTER ASSEMBLY - Patent

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Patent US3134365 - Electric pencil sharpener - Google Patents
Patent US3134365 - Electric pencil sharpener - Google Patents

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Patent US7472728 - Electrically powered rapid sharpening cosmetic

ELECTRIC PENCIL SHARPENER WITH A REPLACEABLE CUTTER ASSEMBLY - Patent
ELECTRIC PENCIL SHARPENER WITH A REPLACEABLE CUTTER ASSEMBLY - Patent

Patent EP2078617B1 - Safety device for an electric pencil sharpener
Patent EP2078617B1 - Safety device for an electric pencil sharpener

Patent US3134365 - Electric pencil sharpener - Google Patents
Patent US3134365 - Electric pencil sharpener - Google Patents

Patent US6886614 - Pencil sharpener - Google Patents
Patent US6886614 - Pencil sharpener - Google Patents

Patent US3678975 - Electric pencil sharpener - Google Patents
Patent US3678975 - Electric pencil sharpener - Google Patents


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