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1962 Root Canal Patent Drawing by Dan Sproul

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Comments (3)

Masha Batkova

Masha Batkova

Congratulations on your sale!

RicardMN Photography

RicardMN Photography

Congrats on your sale!

L A Feldstein

L A Feldstein

Big ouch on this one

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1962 Root Canal Patent by Dan Sproul
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