Person ? M. Grondein
- From 1945-01-01 to 1945-12-31, Suppléant of USINES DIOR
- From 1945-01-01 to 1953-12-31, Commissaire des comptes of COMPAGNIE GENERALE D'ELECTRO-CERAMIQUE
- From 1948-01-01 to 1948-12-31, Commissaire des comptes of USINES DIOR
- From 1948-01-01 to 1953-12-31, Commissaire des comptes of ETABLISSEMENTS CLAUDE BOUCHER
- From 1953-01-01 to 1953-12-31, Commissaire des comptes of USINES DIOR
- From 1953-01-01 to 1953-12-31, Commissaire des comptes of L'ELECTRO-REFRACTAIRE