Temporary signalling device for public highways.

摘要

A panel (1) firmly attached to a base (2) for it to bear on the ground, with, at its base, at least two tube sections (3, 4) orthogonal to the panel (1) and oriented in order to rest on the ground via one of their generatrices and in order to receive, inside, a substantially cylindrical ballasting piece (5, 6). ……