Spiral staircases (spiral type) metal profiles.
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
Foot support, Typical of footprint, do not. Of footprint, Spiral stands
Raw text data extracted from CAD file:
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
foot support, typical of footprint, do not. of footprint, spiral stands