A signal device includes: a column (a); - a fixing clip (b) around the column (b), which comprises a body having a core (1) and at least two wings (2a and 2b), the body being connected to the cores (2a and 2b) and configured to be elastically fastened between the pillars (a), each wing having a protuberance (5a, 5A, 2b). Rod for rear of hanging panel
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