Stefan von Petroczy
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Stefan von Petroczy was an aero inventor in Wien (aka Vienna), Austria.
Patents whose inventor or applicant is Stefan von Petroczy
- Patent GB-1913-12804 (English title: Improvements relating to aeroplanes, Supplementary to patent: Patent in Austria filed June 1, 1912, Filing date: 1913-06-02)
Patents whose inventor or applicant is Etienne de Petroczy
- Patent FR-1913-448669 (Filing date: 1912-09-25)
References
| Names | Stefan von Petroczy; Etienne de Petroczy |
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| Countries | AT |
| Locations | Wien; Vienna |
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