Jan Hejtman
český mineralog
Biography
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| Intro | český mineralog | |
| Gender |
| |
| Birth | 18 June 1841, Počátky | |
| Death | 24 February 1913Kladno (aged 71 years) |
| Intro | český mineralog | |
| Gender |
| |
| Birth | 18 June 1841, Počátky | |
| Death | 24 February 1913Kladno (aged 71 years) |