Person ? H.-J. Mitchell
- From 1923-01-01 to 1927-12-31, Administrateur of BRITISH SOUTH AFRICAN EXPLOSIVES Cie
- From 1927-01-01 to 1933-12-31, Administrateur of UNION ESPAGNOLE DES EXPLOSIFS
- From 1940-01-01 to 1945-12-31, Administrateur of UNION ESPAGNOLE DES EXPLOSIFS