National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Historical development of wooden pencil
SCHWARZOVÁ, Alena Nela
The work "Historical development of wooden pencils" I deal primarily with the history of the development of the wooden pencils, describing the development of production and the world's biggest Czech producers. Also describe the current production technology and raw materials used in the manufacture of graphite and cosmetic pencils and crayons.

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