CPC Subgroup
F28F 1/04 polygonal, e.g. rectangular
Full Title
Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F5/00) > Tubular elements of cross-section which is non-circular (F28F1/08, F28F1/10 take precedence) > polygonal, e.g. rectangular
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open