Helffer, Claude, 1922-2004
| Personal name | Helffer, Claude, 1922-2004 |
| Country | France |
| Language of person/corp. | French |
| CONOR.SI-ID | 96363875 |
Helffer, Claude, 1922-2004 CONOR.SI-ID=96363875
| Personal name | Helffer, Claude, 1922-2004 |
| Country | France |
| Language of person/corp. | French |
| CONOR.SI-ID | 96363875 |
Helffer, Claude, 1922-2004 CONOR.SI-ID=96363875