Improvements introduced in the construction of structures-frames of adjustable shelves. (Machine-translation by Google Translate, not legally binding)
GB1036942A
Improvements relating to adjustable storage rack structures
US3261309A
Framework structures
ES274085A3
Improvements introduced in the manufacture of structural elements in the form of an angular section metal bar (Machine-translation by Google Translate, not legally binding)
DE1106480B
Bracket for thin plates, e.g. B. glass panes or other fillings, in a truss-like frame construction
