Hermann Ketzer – Duisburger Adreß-Buch 1884
| Given name | Hermann |
|---|---|
| Family name | Ketzer |
| Occupation | Fabrikmeister |
| Address | Crefelderstraße 67 |
| Place | Duisburg |
| GOV identifier | DUIURGJO31JK |
| Book | Duisburger Adreß-Buch 1884 |
| page | 152 |
| Year | 1884 |
| Given name | Hermann |
|---|---|
| Family name | Ketzer |
| Occupation | Fabrikmeister |
| Address | Crefelderstraße 67 |
| Place | Duisburg |
| GOV identifier | DUIURGJO31JK |
| Book | Duisburger Adreß-Buch 1884 |
| page | 152 |
| Year | 1884 |