Person ? G. Duvernoy
- From 1933-01-01 to 1933-12-31, Administrateur of SOCIÉTÉ DE CONSTRUCTIONS ET D'INSTALLATIONS INDUSTRIELLES
- From 1933-01-01 to 1933-12-31, Administrateur of COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
- From 1940-01-01 to 1948-12-31, Administrateur of COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
- From 1953-01-01 to 1953-12-31, Administrateur of SOCIETE FRANÇAISE RADIO-ELECTRIQUE