Rudolf Huwyler

Bellach

Trademarks, designs and patents

Dübel, insbesondere für Betonbauteile

Swiss patent · CH591637 · Inventor

Deleted
Spreizdübel

Swiss patent · CH586356 · Inventor

Deleted
Dübel, insbesondere für Betonbauteile

Swiss patent · CH579223 · Inventor

Deleted
Dübel

Swiss patent · CH538610 · Inventor

Deleted