Gaspard Grégoire
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Gaspard Grégoire (born ?) was an aero inventor. Aix (Bouches-du-Rhône)/Paris (47, rue de Charonne, hôtel Vaucanson, Seine)
Gaspard Grégoire (born ?) was an aero inventor. Aix (Bouches-du-Rhône)/Paris (47, rue de Charonne, hôtel Vaucanson, Seine)