Issuer ? SOCIÉTÉ DES BREVETS ÉTRANGERS LEFRANC ET Cie
| Siège social |
| Rue de provence, 48 - Paris (France , Paris ) appearing in yearbooks from 1927 to 1927 |
| Avenue montaigne, 21 - Paris (France , Paris ) appearing in yearbooks from 1930 to 1930 |
| Siège social |
| Rue de provence, 48 - Paris (France , Paris ) appearing in yearbooks from 1927 to 1927 |
| Avenue montaigne, 21 - Paris (France , Paris ) appearing in yearbooks from 1930 to 1930 |