Person ^? F. Kososky

• From 1927-01-01 to 1933-12-31, Administrateur of COMPAGNIE MINIERE "LAS DOS ESTRELLAS"
• From 1933-01-01 to 1933-12-31, Administrateur of CRÉDIT FONCIER MEXICAIN (Banco Hipotecario de Credito Territorial Mexicano SA)
• From 1940-01-01 to 1940-12-31, Administrateur of COMPAGNIE MINIERE "LAS DOS ESTRELLAS"
• From 1945-01-01 to 1945-12-31, Administrateur of COMPAGNIE MINIERE "LAS DOS ESTRELLAS"
• From 1948-01-01 to 1948-12-31, Administrateur of COMPAGNIE MINIERE "LAS DOS ESTRELLAS"