3 Ergebnisse für: smithwick
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Shellac Origins and Manufacture - YouTube
https://www.youtube.com/watch?v=lQcQ0yuekZ0
A short video showing how shellac used for wood finishing, furniture restoration, antique restoration wood polishing is harvested, processed and manufactured...
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Inauguration of dental research at the USPHS
http://www.fluoride-history.de/dentRes.htm
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