Category:Karel Janeček

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Karel Janeček 
Janeček Karel 2014 Hanna Jon.jpg
Czech philanthropist, mathematician, billionaire and entrepreneur
Wikipedia-logo-v2.svg Wikipedia
Instance ofhuman,
billionaire
Different from
  • Q14915813 (descriptive page and disambiguation page have to be in different items)
official website
Authority control
VIAF ID: 193708208
Wikidata
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Media in category "Karel Janeček"

The following 3 files are in this category, out of 3 total.