DIFF Subgroup
A47C 7/35 Combinations of different types of springs; Adjustable springs; Attachment of springs to other springs or to frame
Introduced: July 1974
Full Title
Parts, details, or accessories of chairs or stools > Seat parts > Combinations of different types of springs; Adjustable springs; Attachment of springs to other springs or to frame
No child classifications to compare. This is a leaf node in both IPC and CPC.