When I read the complete marking, I can read "ATTRAPPE".
When I write it in Google translate, it answer me : language German, translation of practice.
So, I look on my manufacturers codes, speaking German and I have
Germany : Heise Karl, Maschinenbaugesellschaft, Leipzig Böhlitz Ehrenberg
Germany : F. Feistel Pyrotechnik, Göllheim Pfalz
I have nothing more of German speaking manufacturers. I hope someone shall can help with Swiss or Austrian
Yoda