Person ? Van de Wiel
- From 1917-01-01 to 1917-12-31, Administrateur of Accumulateur Tudor
- From 1923-01-01 to 1923-12-31, Administrateur of COMPAGNIE GENERALE D'ELECTRO-CERAMIQUE
- From 1927-01-01 to 1933-12-31, Administrateur of COMPAGNIE GENERALE D'ELECTRO-CERAMIQUE