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| A.K.A. | Johann Elias von Geyer | |
| A.K.A. | Johann Elias von Geyer | |
| Places | Austria | |
| was | Military officer Engineer | |
| Work field | Engineering Military | |
| Gender |
| |
| Birth | 1717 | |
| Death | 1790Salzburg, Salzburg, Austria (aged 73 years) |