Johs. Janssen – Aachener Adressbuch 1936
| Given name | Johs. |
|---|---|
| Family name | Janssen |
| Occupation | Dipl. Ing. |
| Address | Schillerstr. 73 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 164 |
| Year | 1936 |
| Given name | Johs. |
|---|---|
| Family name | Janssen |
| Occupation | Dipl. Ing. |
| Address | Schillerstr. 73 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 164 |
| Year | 1936 |