DIFF Subgroup
F28F 1/08 Tubular elements crimped or corrugated in longitudinal section
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Tubular elements; Assemblies of tubular elements > Tubular elements crimped or corrugated in longitudinal section
CPC:
Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F5/00) > Tubular elements crimped or corrugated in longitudinal section
No child classifications to compare. This is a leaf node in both IPC and CPC.