Stenger Watzke Ring
intellectual property
| Office Düsseldorf | Office Bielefeld |
| Am Seestern 8 | Gadderbaumer Str. 20 |
| D-40547 Düsseldorf | D-33602 Bielefeld |
| phone: 0049 (0) 2 11 57 21 31 | phone: 0049 (0) 5 21 96 87 97 10 |
| fax: 0049 (0) 2 11 58 82 25 | fax: 0049 (0) 5 21 96 87 97 11 |
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