Category:John Dopyera

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John Dopyera  (1893–1988) Blue pencil.svg wikidata:Q3495504
Alternative names Ján Dopjera; John Dopyera
Description Sierra Leonean entrepreneur and inventor
Slovak inventor
Date of birth/death 6 July 1893 1 January 1988
Location of birth/death Šaštín-Stráže Grants Pass
Authority control


This category has the following 3 subcategories, out of 3 total.



Pages in category "John Dopyera"

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