Issuer ? LES TERRES RÉFRACTAIRES, GRÈS ET KAOLINS DU FINISTÈRE
| Siège social |
| - Riec-sur-Belon (France , Finistère ) appearing in yearbooks from 1927 to 1927 |
| - Riec-sur-Belon (France , Finistère ) appearing in yearbooks from 1930 to 1930 |
| Siège social |
| - Riec-sur-Belon (France , Finistère ) appearing in yearbooks from 1927 to 1927 |
| - Riec-sur-Belon (France , Finistère ) appearing in yearbooks from 1930 to 1930 |