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Patent EP2078617B1 - Safety device for an electric pencil sharpener

Patent EP2078617B1 - Safety device for an electric pencil sharpener

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Patent EP2078617A1 - Safety device for an electric pencil sharpener

Small Electric Pencil Sharpener, Black | Bostitch Office

Small Electric Pencil Sharpener, Black | Bostitch Office

Patent US20070251105 - Electric pencil sharpener - Google Patents

Patent US20070251105 - Electric pencil sharpener - Google Patents

Mechanism Description: Electric Pencil Sharpener - Wisc-Online OER

Mechanism Description: Electric Pencil Sharpener - Wisc-Online OER

Patent US3678975 - Electric pencil sharpener - Google Patents

Patent US3678975 - Electric pencil sharpener - Google Patents

Pencil_sharpener_mechanism – JSTM

Pencil_sharpener_mechanism – JSTM

Pencil-Sharpener. - The Portal to Texas History

Pencil-Sharpener. - The Portal to Texas History

Patent US7472728 - Electrically powered rapid sharpening cosmetic

Patent US7472728 - Electrically powered rapid sharpening cosmetic