O. Graß – Duisburger Adreß-Buch 1884
| Given name | O. |
|---|---|
| Family name | Graß |
| Title | Dr. |
| Occupation | Chemiker |
| Address | Wallstraße 31 |
| Place | Duisburg |
| GOV identifier | DUIURGJO31JK |
| Book | Duisburger Adreß-Buch 1884 |
| page | 130 |
| Year | 1884 |
| Given name | O. |
|---|---|
| Family name | Graß |
| Title | Dr. |
| Occupation | Chemiker |
| Address | Wallstraße 31 |
| Place | Duisburg |
| GOV identifier | DUIURGJO31JK |
| Book | Duisburger Adreß-Buch 1884 |
| page | 130 |
| Year | 1884 |